Marathon Science School
School summary
Marathon Science School is a notably small independent boys' school in Lewisham, with around 45 pupils on roll. Its intimate scale means classes are likely to be small and pupils well known to staff, an arrangement that suits families looking for a close-knit environment rather than a large institution. The school is non-denominational and offers boarding alongside day places, broadening its appeal to families further afield. It is led by Head Mr Uzeyir Onur and inspected by the ISI.
Where every mark matters.
Places are limited and demand is high, so exam performance is what sets candidates apart. Passmate turns the months ahead into ten focused minutes a day on the exact topics this school tests.
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Teaching & academics
Entry is at age 11 through an 11+ process, making this a school for families planning around the standard senior-school transition. With so few pupils, teaching can be closely tailored to individual needs.
Head · Mr Uzeyir Onur
School life & ethos
- Religious character
- None
- Boarding
- Yes
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Watch Passmate decide how to teach.
Answer as a child would. Left: what they see. Right: what it learns about them.
A small, boarding-friendly boys' school in Lewisham for parents who value an individual touch over scale.
That’s where Passmate comes in. Tutoring is the most effective thing in a child’s preparation - a well-tutored child can outperform the vast majority of their peers. Passmate works alongside your tutor, not instead of them: it learns how your child thinks, finds the gaps, and shows the tutor exactly where to spend each session - so the limited time you have lands on what actually decides a place.
Works alongside your child’s tutor - not instead of them.
Free month · No payment needed
Marathon Science School 11+: frequently asked questions
Compiled from public data. Last checked 5 June 2026.