St Mary's Catholic Primary School is a primary school based in London under the Merton local authority.

St Mary's Catholic Primary School caters for mixed pupils from 3 to 11 years. With 427 pupils enrolled and a capacity of 440, the school provides a structured and balanced curriculum aligned with national expectations.

The most recent Ofsted inspection, published on 7 December 2021, rated the school Outstanding. Inspectors highlighted the overall quality of education and the strong relationships between staff and pupils.