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Mathematical Olympiad Program
Mathematical Olympiad Program
Mathematical Olympiad Program
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The Mathematical Olympiad Program (MOP), formerly called the Mathematical Olympiad Summer Program (MOSP), is an intensive summer program sponsored by the Mathematical Association of America. The main purpose of MOP, held since 1974, is to select and train the six members of the U.S. team for the International Mathematical Olympiad (IMO).

Selection Process

[edit]

Students qualify for the program by scoring highly on the United States of America Mathematical Olympiad (USAMO) or United States of America Junior Mathematical Olympiad (USAJMO).

Before 2012, the top twelve American scorers from all grades formed the "black" group. The approximately eighteen next highest American scorers among students from 11th grade and below form the "blue" group.

In 2004, the program was expanded to include approximately thirty of the highest-scoring American freshmen and sophomores each year, the "red" group; this was later split into two, forming the "green" group, which consists of approximately fifteen of the highest-scoring freshmen and sophomores who have qualified through the USAMO, and the "red" group, which consists of those who have qualified through the USAJMO. The colorful designations of these groups were adapted from Karate.

Until 2011, only black group MOPpers were eligible for the selection to the USA IMO team, determined by combining USAMO results with results of a similar competition called the Team Selection Test (TST). From 2011, a new competition called the Team Selection Test Selection Test (TSTST) was established. This exam is held at MOP and open for all non-graduating MOP participants, and the results of the TSTST determines the group of students who take part in the United States of America Team Selection Tests over the following school year. This cycle of six exam days, which includes the USAMO of that school year, determines the IMO team. More information about USA IMO team selection can be found here, and more details about MOP selection can be found here.

Canadians are allowed to take the USAMO but are not allowed to participate in MOP unless they are enrolled full-time in a US school. MOP also usually invites additional female students to the camp to prepare them for the process of selecting EGMO attendees.

The camp was led by academic director Po-Shen Loh from 2014 through 2024, and the current assistant academic director is Evan Chen. In 2023, Po-Shen Loh resigned from his position after finishing his initial ten year-long appointment.[1]

Approximately 15 to 20 international students, 1-2 each from a subset of top-performing countries at the previous years' International Mathematical Olympiad (IMO), have been invited to MOP each year since 2016 (excluding 2020 through 2022 because of the COVID-19 pandemic) in an effort to provide a unique and diverse experience at MOP and build connections across borders.

Cutoff scores

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Red cutoffs from 2010 onward refer to USAJMO, while those for 2009 and earlier refer to USAMO.

Year Black Blue Green Red
2002[2] 35
2003[3] 28
2004[4] 24
2005[5] 29
2006[6] 25 18 9
2007[7] 23 17 9
2008[8] 28 20 10
2009[9] 27 18 8
2010[10] 29 23 18 35
2011 35 28 21 28
2012 22 17 21
2013 22 14 29
2014 22 13 25
2015 16 11 27
2016 20 14 21
2017 20 16 36
2018 22 15 27
2019 28 21 33
2020 29 22 33
2021 29 23 34
2022 22 15 27
2023 34 28 34
2024 21 16 30
2025 27 21 35

Note that certain cutoff scores may have involved tiebreakers, that is, not all eligible students who scored exactly the cutoff score were invited to the program.

The cutoff scores for each group are not entirely rigid, as some students are moved between groups at the beginning of the program. However, the cutoffs do dictate who is invited to the program. More information can be founded in the Selection Process section above.

Since MOP 2012, black group cutoffs for MOP in year N have been determined by total score on the six exam days for the United States of America Team Selection Tests held during the N-1 to N school year. As a result, the black group for MOP N consists of the team members of USA IMO N and several non-graduating students who were very close to qualifying for IMO N.

Locations

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The first few MOPs were held at Rutgers University. After that, and until 1995, the program was alternately hosted by the United States Naval Academy in Annapolis, Maryland in even-numbered years and by the United States Military Academy at West Point in odd-numbered years. The 1995 MOP was held at IMSA in Aurora, Illinois, where then-MOP director Titu Andreescu was a member of the math faculty. Most of the MOPs from 1996 through 2014 were held in Lincoln, Nebraska where the AMC headquarters was located. An exception was made in the summer of 2001, as the United States would be hosting the IMO that year in Washington, D.C., and nearby Georgetown was selected as the location for MOP. During 2015-2024, MOP was held at Carnegie Mellon University in Pittsburgh, Pennsylvania (except in 2020 and 2021, when it was held online due to COVID-19 pandemic concerns). In 2025, MOP will be held at IMSA in Aurora, Illinois.

Competitions at MOP

[edit]

Team Selection Test Selection Test (TSTST)

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Since 2011 (excluding 2020 and 2021), the TSTST has taken place during the latter days of MOP. Due to the COVID-19 pandemic, the three days of TSTST 2020 were administered remotely after MOP during the 2020-2021 school year on[11] November 12th, December 10th, and January 21st, respectively.

For similar reasons, the US IMO Team Selection Test Cycle for IMO 2022 closely resembled the US IMO Team Selection Test Cycle for IMO 2021. The three days of TSTST 2021 were administered remotely during the 2021-2022 school year on[12] November 4th, December 9th, and January 13th, respectively.

Year-round MOP

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For years, the idea of extending the training program for the U.S. IMO team was discussed. During the 2004–2005 school year, U.S. IMO team coach Zuming Feng directed the Winter Olympiad Training Program, utilizing the Art of Problem Solving (AoPS) site for discussion purposes. The program was short-lived, lasting only that year. MOP participants are now able to participate for free in Art of Problem Solving's WOOT program for year-round olympiad training.

References

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Mathematical Olympiad Program

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The Mathematical Olympiad Program (MOP) is a prestigious three-week intensive summer training initiative organized by the (MAA), designed to develop advanced problem-solving skills and mathematical insight among top high school students while preparing them for international competitions such as the (IMO) and the (EGMO). Established in 1974, the program gathers approximately 60 to 80 exceptionally talented participants, selected through a rigorous national pipeline that begins with the MAA's (AMC) series, advances to the (AIME), and culminates in outstanding performance on the United States of America Mathematical Olympiad (USAMO) or the United States of America Junior Mathematical Olympiad (USAJMO). During the program, attendees engage in a demanding schedule of lectures, collaborative problem-solving sessions, and competitive testing, often led by renowned mathematicians and past Olympiad champions, to broaden their exposure to diverse mathematical topics including , , , and . The curriculum emphasizes creative thinking and perseverance, with daily activities such as morning classes, afternoon quizzes or team challenges, and evening discussions or recreational events like puzzle hunts and talent shows to foster a supportive community among peers. Team selection for the U.S. IMO and EGMO squads occurs on-site through specialized Team Selection Tests (TSTs), ensuring the program's direct role in assembling national teams that have achieved notable success, including multiple gold medals and top rankings at the IMO. Hosted at various universities across the , MOP provides a residential environment that combines academic rigor with opportunities for social bonding and personal growth, often including special initiatives like the Pre-MOP for participants to encourage diversity in advanced . Beyond immediate competition preparation, the program cultivates lifelong mathematical enthusiasm, with frequently pursuing careers in academia, , and STEM fields, contributing to the U.S. legacy of excellence in youth .

History and Purpose

Origins and Evolution

The Mathematical Olympiad Program (MOP) was established in 1974 by the (MAA) in response to the need for intensive training to prepare the inaugural team for the (IMO), marking the U.S.'s entry into the competition that year. Initially focused on a small group of top performers selected through early national competitions like the USAMO, which began in 1972, the program served as a dedicated training camp to build problem-solving skills essential for international success. In its early years, MOP operated as a modest summer training initiative with approximately 20 participants, emphasizing direct preparation for the IMO team. By the , it formalized into a three-week format, providing immersive instruction in advanced mathematical topics. The program saw significant expansion in subsequent decades, with participant numbers increasing to accommodate broader talent development beyond just the final IMO team, reflecting growing U.S. emphasis on cultivating olympiad-level expertise. Key milestones shaped MOP's development, including its integration with the USAMO, where top qualifiers were systematically invited to the program for enhanced selection and training. Around 2010, the introduction of the Team Selection Test Selection Test (TSTST) extended the team selection process. Post-2000, the structure evolved to include access to year-round training through programs like Art of Problem Solving's , culminating in a larger summer cohort to optimize team performance through collaborative practice. The introduced virtual elements in 2020 and 2021, with the camp conducted online via platforms like to maintain continuity amid restrictions. In 2025, the program was hosted at the Illinois Mathematics and Science Academy, marking a shift from its long-term venue at . By 2025, MOP had grown to include 60-80 students annually, underscoring its role in sustaining U.S. IMO achievements.

Objectives and Role in IMO Preparation

The Mathematical Olympiad Program (MOP) primarily aims to develop advanced problem-solving skills among top high school students, foster mathematical creativity, and prepare them for international competitions such as the (IMO). By immersing participants in intensive mathematical training, the program seeks to broaden their understanding of beyond standard curricula, encouraging excitement for deeper study and long-term careers in the field. Within the U.S. mathematical olympiad pipeline, MOP serves as a critical bridge between the USA Mathematical Olympiad (USAMO) and the selection of the IMO team, inviting approximately 60-80 top performers from USAMO and the USA Junior Mathematical Olympiad (USAJMO). It emphasizes environments where students engage in group problem-solving sessions, simulating the teamwork required for international success while cultivating a supportive of peers. This integration facilitates a transition from individual contest preparation to research-like mathematical exploration, honing creative approaches to complex problems. MOP plays a pivotal role in IMO preparation by hosting team selection tests, such as the Team Selection Test for Students (TSTST), which identify the six members of the U.S. IMO team from program participants. The curriculum is explicitly designed to replicate IMO-style challenges, focusing on proof-based problems in areas like , , and to build endurance and strategic thinking under pressure. Through this structured training, MOP has become essential to the U.S. team's consistent high performance at the IMO, providing both immediate competitive readiness and foundational skills for future mathematical pursuits. A distinctive feature of MOP is its emphasis on non-competitive elements, including seminars on advanced topics such as , , and specialty areas in , which promote depth and conceptual insight rather than rote contest tactics. These sessions, led by experienced instructors including former IMO participants, encourage open exploration and discussion, allowing students to delve into mathematical ideas collaboratively without the sole focus on rankings. This approach not only enhances IMO readiness but also nurtures a lifelong passion for as a creative .

Eligibility and Selection

Qualification Pathway

The qualification pathway for the Mathematical Olympiad Program (MOP) follows a rigorous, multi-stage process administered by the (MAA) to identify top mathematical talent among U.S. high school students. This pathway begins with participation in the (AMC) 10 and AMC 12, entry-level exams taken by over 300,000 students each year, which test problem-solving skills up to level. From the AMC, the top 2.5% of scorers on the AMC 10 and the top 5% of scorers on the AMC 12 qualify for the (AIME), a 15-question, 3-hour test emphasizing deeper mathematical reasoning. This step narrows the field to approximately 15,000 students annually, with qualification determined by raw scores adjusted for exam difficulty. AIME participants are then ranked using a composite index—calculated as the AMC score plus 10 times the AIME score—to determine eligibility for the next stage. The top 5-6% of AIME scorers, roughly 500 students, advance to either the (USAMO) for older participants (typically those via AMC 12) or the USA Junior Mathematical Olympiad (USAJMO) for younger students (typically via AMC 10, often in grades 8-10). The USAMO and USAJMO are two-day, proof-based exams consisting of six problems each, lasting 4.5 hours per day, and serve as the primary gateway to olympiad-level training. The USAJMO provides an inclusive entry point for emerging talent at an earlier age, allowing promising younger students to engage in advanced preparation. Invitations to the MOP are extended to the top approximately 60 performers on the USAMO and USAJMO based on their olympiad scores and rankings. This selection emphasizes not only raw achievement but also potential for growth in intensive training. Additional provisions exist to support underrepresented groups, including targeted outreach and alternative pathways like nominations through programs such as the USA Mathematical Talent Search, which can lead to AIME eligibility and subsequent MOP consideration. The entire qualification timeline unfolds in the spring each year: the AMC 10/12 are held in early (A date) and mid- (B date), followed by the AIME I in early March and AIME II in mid-March, and culminating in the USAMO/USAJMO over two days in late March. Scores are finalized shortly thereafter, with MOP invitations typically issued by May to allow preparation for the summer program.

Cutoff Scores and Selection Criteria

The selection for the Mathematical Olympiad Program (MOP) draws from the top performers in the United States of America Mathematical Olympiad (USAMO) and United States of America Junior Mathematical Olympiad (USAJMO), for which approximately 250 high school students qualify for the USAMO and 250 for the USAJMO based on prior American Invitational Mathematics Examination (AIME) results, for a combined total of about 500 participants. Qualification to these olympiads uses the USAMO index, calculated as the student's American Mathematics Competitions (AMC) score plus 10 times their AIME score, with the top approximately 60 USAMO and USAJMO participants then invited to MOP for intensive training. Cutoff thresholds for the USAMO index adjust annually to reflect participant performance and ensure a fixed number of qualifiers, typically ranging from 220 to 250 in recent years; for instance, in 2024, the index required 245 on AMC 12A with AIME I or 220 on AMC 12A with AIME II for USAMO eligibility, while USAJMO cutoffs were lower at around 232–236 depending on the AMC 10 session. These variations account for differences in exam difficulty across sessions, with USAJMO thresholds generally 10–20 points below USAMO to accommodate younger participants. Ties in index scores are resolved using additional factors such as AIME tiebreaker questions or supplemental reviews by the (MAA). Beyond pure score rankings, selection incorporates non-score criteria to promote diversity, including targeted outreach to underrepresented groups such as women and racial/ethnic minorities through programs like math circles, Spanish-language exams, and scholarships for top female scorers. These initiatives have increased female participation in USAMO from 6–8% historically to 14% by 2020, with additional invitations extended to exceptional first-time qualifiers from diverse backgrounds to broaden the talent pool. Participants must generally be in grades 9–12 and U.S. citizens or permanent residents, though first-time is limited to non-seniors (grades 9–11) to focus on long-term IMO development. As of 2025, MOP invites 60–80 students, reflecting an expansion to include more international high scorers from prior International Mathematical Olympiads (IMOs) alongside U.S. participants, while maintaining emphasis on top USAMO/USAJMO performance adjusted for annual difficulty. Post-2022, award structures in USAMO and USAJMO shifted to gold, silver, and bronze medals based on percentile rankings rather than fixed scores, aiding fairer selection amid varying problem sets.

Program Structure

Summer Training Camp

The Mathematical Olympiad Program (MOP) features a core in-person summer designed as an intensive residential experience to prepare top high school students for the (IMO). This camp typically lasts 3 to 4 weeks, accommodating approximately 60 to 80 selected students along with academic and residential staff. Participants engage in a structured daily schedule that includes 6 to 8 hours of mathematical activities, such as morning and afternoon classes from around 9:00 a.m. to 5:00 p.m., interspersed with meals and breaks, followed by optional evening review sessions. Recreational activities, including social events and a culminating , complement the academic rigor to foster a supportive community environment. Key elements of the camp emphasize advanced problem-solving and IMO preparation through lectures delivered by experienced instructors, including IMO medalists and Olympiad coaches, as well as collaborative problem-solving sessions focused on challenging exercises like those from the IMO Shortlist. These sessions encourage students to tackle past IMO problems and develop creative strategies in a group setting. The program places a strong emphasis on IMO-style contests, incorporating mock IMO examinations that simulate the competition format, with dedicated time for testing in a spacious auditorium and subsequent reviews to refine techniques. Unlike the distributed online sessions of the year-round training program, the summer camp provides an immersive, full-time environment that builds intense focus and peer interaction over consecutive weeks. Full attendance is mandatory for all participants, who are selected based on performance in the USA Mathematical Olympiad (USAMO) and related qualifiers, ensuring a cohort of highly motivated students committed to the program's demands. This residential format, held annually since , plays a pivotal role in identifying and honing the skills of the eventual U.S. IMO team members.

Year-Round Training Program

The Year-Round Training Program extends the Mathematical Olympiad Program (MOP) by offering ongoing support to alumni following the intensive , serving as an for sustained skill development. This component targets recent MOP participants who were not selected for the (IMO) team, ensuring broader access to advanced preparation. Structured as online sessions running from to May, the program typically involves 2-3 hours weekly through platforms like Zoom, allowing participants to balance training with school commitments. Activities focus on follow-up problem sets, virtual seminars led by experienced coaches, and targeted preparation for national and international competitions such as the USA Mathematical Olympiad (USAMO) and beyond. These elements emphasize collaborative problem-solving and review of complex topics to maintain and build upon skills gained at MOP. Introduced in the to address the need for sustained engagement after the summer immersion, the program evolved from earlier initiatives like the short-lived Winter Olympiad Training Program in 2004–2005.

Training Activities and Competitions

Curriculum and Instructional Methods

The curriculum of the Mathematical Olympiad Program (MOP) emphasizes advanced mathematical topics critical for high-level competitions like the (IMO). Core subjects include , , , advanced , inequalities, and , which form the foundation for developing rigorous proof-based problem-solving skills. These areas are selected to challenge participants with problems requiring creative application of theorems and techniques beyond standard high school mathematics. Instructional methods in MOP prioritize interactive and collaborative approaches to foster deep conceptual understanding. Classes are structured as dynamic introductory sessions where instructors facilitate problem-solving through group discussions and hands-on collaborative work, often using chalkboards or whiteboards for real-time exploration of solutions. This environment encourages students to articulate ideas, critique peers' approaches, and refine strategies collectively, moving beyond to emphasize intuition and innovation in . The program's faculty comprises experienced educators, including university professors, graduate students, and former IMO coaches, who are selected for their expertise in olympiad-level mathematics and ability to guide talented high school students. These instructors deliver content through targeted lectures and supervised sessions, drawing on their backgrounds in competitive mathematics to model advanced techniques. A distinctive feature of MOP is its focus on exposure to research-level problems that demand original proofs and innovative solutions, rather than reliance on standard textbooks. Participants engage with challenging, open-ended exercises inspired by recent olympiad shortlists and advanced topics, promoting independent discovery and the creation of novel arguments. This problem-centric approach builds resilience and creativity essential for elite mathematical performance.

Internal Competitions and Team Selection

During the Mathematical Olympiad Program (MOP), participants engage in a series of internal competitions designed to hone problem-solving skills and identify top performers for international representation. These include daily problem sets, which consist of challenging exercises drawn from advanced topics in , , , and , allowing students to apply classroom concepts in timed settings. Weekly mock exams simulate the format and difficulty of major contests like the USAMO and IMO, providing formative feedback through detailed solutions and discussions led by instructors. Additionally, team contests are held periodically, fostering on problems that require collective reasoning, though individual performance remains the primary metric for advancement. The cornerstone of team selection within MOP is the Team Selection Test Selection Test (TSTST), a rigorous examination administered at the conclusion of the three-week program in late June. This test comprises nine proof-based problems, distributed across three sessions of 4.5 hours each, totaling 13.5 hours of testing. The problems, crafted by the (MAA), cover a broad spectrum of olympiad-level topics and are intended to differentiate the most capable students among the approximately 60 MOP attendees. Rising high school juniors and younger participants (grades 9-11) compete directly, while graduating seniors are evaluated separately to prioritize future team eligibility. The top 24 to 30 scorers on the TSTST, excluding graduating seniors where applicable, form the initial IMO selection pool and qualify for subsequent year-round assessments, including the Team Selection Tests (TST). Following the TSTST, the selection process advances through a multi-stage evaluation to determine the six-member U.S. IMO team and alternates. Shortlisted students receive targeted coaching via the MOP's year-round training program, which includes virtual sessions and problem-solving workshops to prepare for the December TST (three problems, 4.5 hours) and January TST (similar format). Their performance is combined with scores from the Romanian Master of Mathematics (RMM) Day 1, the Asia Pacific Mathematics Olympiad (APMO, weighted at 0.6), and the USAMO to compute a composite index out of 126 points. The MAA selects the top six based on this index, with tiebreakers applied by dropping specific problem scores in a predetermined order. The final team is announced in late May or early June, after USAMO grading, allowing selected members time to train intensively before the IMO in July. Female participants who qualify for the IMO selection pool are automatically considered for the four-member U.S. team for the (EGMO), provided they complete the December and January TSTs. The EGMO team is selected based on performance in these TSTs and other relevant competitions, with the final announcement typically following a similar timeline to the IMO team.

Locations and Logistics

Host Venues and Facilities

The Mathematical Olympiad Program (MOP) summer training camp has utilized various university and academy venues across the since its inception, with selections prioritizing institutional support for mathematical education and logistical accessibility for participants nationwide. Prior to the mid-1990s, locations varied, but from that period onward, the program stabilized at key sites. From the mid-1990s through 2014, the primary host was the University of Nebraska-Lincoln (UNL) in , coinciding with the location of the headquarters. An exception occurred in 2001, when the program was held at the in due to scheduling conflicts at UNL. Beginning in 2015 and continuing through 2024, MOP shifted to (CMU) in Pittsburgh, Pennsylvania, under the leadership of mathematician , who leveraged CMU's strong mathematics department resources. In 2020 and 2021, amid the , the camp transitioned to a fully virtual format conducted via to maintain safety and continuity. For 2025, the program returned to an in-person format at the Illinois Mathematics and Science Academy (IMSA) in , a residential institution specializing in advanced STEM education. Host venues are chosen based on criteria including facility suitability, cost-effectiveness, prior experience with educational programs, and alignment with the Mathematical Association of America's (MAA) mission to foster mathematical talent. Central geographic positioning, such as UNL's Midwest , facilitates easier for students from diverse regions, while partnerships with host mathematics departments provide instructional expertise and infrastructure support. Facilities typically include on-campus dormitories for housing, multiple lecture halls equipped with chalkboards or whiteboards, dining services offering three meals daily, staff offices, lounges, and spaces for performances or team-building activities; these accommodate 60-80 students plus approximately 20 staff, with a peak capacity of 130 participants. At UNL, for instance, students resided in Neihardt Hall dormitories, which featured dedicated lounges like the Blue Room and access to Selleck dining hall. Contingency measures, including hybrid or virtual options, have been implemented during disruptions like the to ensure the program's uninterrupted delivery.

Schedule, Duration, and Participant Experience

The Mathematical Olympiad Program (MOP) consists of a three-week residential summer held annually from late to mid-July, typically spanning approximately 23 days and nights for participants. For 2025, the program was scheduled from June 3 to June 25 at Mathematics and Science Academy. This intensive immersion allows 60 to 80 selected high school students to engage in focused mathematical development, with on-site team selection for the occurring during the program through specialized tests. The daily schedule during the emphasizes structured academic sessions balanced with meals and free time to support participant well-being. Weekdays begin with breakfast around 7:00 a.m., followed by morning lectures from 9:00 a.m. to 12:10 p.m., including two classes with a short break. Afternoons feature problem-solving sessions or tests from 1:20 p.m. to 2:50 p.m. (or longer for exams), with dinner from 5:00 p.m. to 8:00 p.m. and optional evening discussions or seminars until 8:00 p.m. Evenings and nights include check-ins by 11:00 p.m., allowing time for informal interactions. Weekends incorporate recreation, such as social events or relaxation, to promote work-life balance and prevent burnout through community-building activities like puzzle hunts or tournaments. Logistics for the summer camp include full funding for the program itself, covering room, board, and instruction, though participants arrange and cover their own travel to the venue. Hosts provide on-site meals (three per day, with brunch on weekends), laundry facilities, and secure dormitories with keycard access and campus patrols to ensure safety. The MAA conducts background checks on all staff and secures event insurance. Participant experience highlights mentorship, with approximately 20-30 instructors—many former attendees and IMO participants—guiding small groups through academic and personal growth. This pairing fosters individualized support, while recreational elements like a closing talent show enhance camaraderie and emphasize holistic development.

References

  1. https://maa.org/wp-content/uploads/2024/07/2025-MOP-RFP.pdf
  2. https://maa.org/maa-invitational-competitions/
  3. https://maa.org/math-values/learning-to-lead-serena-ans-experience-at-the-mathematical-olympiad-program-mop/
  4. https://connect.maa.org/events/event-description?CalendarEventKey=7de23adc-c390-498a-8fa3-30514098624b&Home=%252Fevents%252Fcalendar
  5. https://artofproblemsolving.com/wiki/index.php/USAMO
  6. https://statmodeling.stat.columbia.edu/2015/03/17/1980-math-olympiad-program-now/
  7. https://blog.evanchen.cc/2019/06/01/an-opening-speech-for-mop/
  8. https://web.evanchen.cc/mop.html
  9. https://artofproblemsolving.com/school/course/woot-math
  10. https://www.facebook.com/maanews/posts/the-countdown-to-mop-2025-is-on-were-excited-to-host-this-years-mathematical-oly/1078784580944618/
  11. https://connect.maa.org/events/event-description?CalendarEventKey=9f6c8d90-fd27-448a-9ed9-cc75f6f62b98
  12. https://maa.org/student-programs/amc/maa-american-mathematics-competitions-policies/
  13. https://maa.org/student-programs/amc/
  14. https://maa.org/news/2025-usamo-and-usajmo-thresholds-now-available/
  15. https://www.usamts.org/
  16. https://ivyleaguecenter.org/2024/03/01/2024-usamo-and-usajmo-qualification-cutoffs/
  17. https://arxiv.org/pdf/2404.15511
  18. https://web.evanchen.cc/exams/posted-usamo-statistics.pdf
  19. https://element.iapro.com/uploaded-files/YNoAQP/2OK042/us-international__math__olympiad-team.pdf
  20. https://artofproblemsolving.com/woot
  21. https://artofproblemsolving.com/company/history
  22. https://connect.maa.org/events/event-description?CalendarEventKey=9f6c8d90-fd27-448a-9ed9-cc75f6f62b98&Home=%252Fhome
  23. https://web.evanchen.cc/olympiad.html
  24. https://web.evanchen.cc/static/mop/homework/MOP2020HW.pdf
  25. https://artofproblemsolving.com/community/c1394h1020445_mop_post_5
  26. https://mop.evanchen.cc/tests/selection/
  27. https://web.evanchen.cc/faq-rules.html
  28. https://artofproblemsolving.com/wiki/index.php/USA_TST
  29. https://www.instagram.com/p/DIKBQYwprve/?hl=en
  30. https://admissionsight.com/mathematical-olympiad-program/
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