Alice Suki Waterhouse was born in Hammersmith, London, England. Her mother, Elizabeth, is a cancer care nurse, and her father, Norman Waterhouse, is a plastic surgeon. She is the eldest of three children.

Suki spent her childhood in London, experiencing a typical middle-class upbringing within a supportive family environment. Details about her specific childhood hobbies or early interests are limited in publicly available information.

Suki attended Ibbsen Free School, a private school in London. During her time there, she began to explore modelling and acting, balancing her education with early career opportunities. Exact graduation details are unavailable.

At the age of 16, Suki was scouted as a model, marking the start of her professional career in the fashion industry. This early start likely influenced her educational path and future career choices.