Marymount International School
George Road, Kingston upon Thames, KT2 7PE
Independent school for ages 11–18 in Kingston upon Thames. Girls intake, Roman Catholic ethos.
Marymount International School is a Roman Catholic independent girls' school in Kingston upon Thames for ages 11 to 18. It offers boarding, has a sixth form, around 200 pupils and a non-selective admissions policy.
Its October 2025 ISI inspection found standards and safeguarding met, with the ISI summary noting effective governance and leadership, appropriate policies and active promotion of the school's ethos and values.
The school describes itself as a Catholic all-girls day and boarding school on a garden campus 12 miles from London. It says it is an International Baccalaureate World School and that its education develops each student's potential, gifts and talents through a holistic approach, small classes and a broad co-curricular offer.