Abacus Belsize Primary School is a free schools located in London, within the Camden local authority. The school plays an important role in the local community and forms part of the state funded education system in England.

Abacus Belsize Primary School caters for mixed pupils from 4 to 11 years. With 158 pupils enrolled and a capacity of 210, the school provides a structured and balanced curriculum aligned with national expectations.

Ofsted last inspected the school on 3 June 2025, awarding it a Outstanding rating. The report noted positive aspects of leadership, safeguarding and the school’s approach to pupil development.