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The John Lyon School

Harrow, HA2 0HNAll-throughAges 2–18MixedPrivate

About The John Lyon School

The John Lyon School is an independent day school in Harrow, London, for pupils aged 2 to 18 for boys and girls. GIAS records 781 pupils on roll and a published capacity of 900.

Figures can refer to different reporting periods. Check the date and source shown beside each section. How Classpot uses published data.

GIAS school facts

Official identity and contact facts; operational fees and services appear only when separately reviewed.

Age range
2–18
Education stages
Early years, Primary, Secondary, Sixth form
Gender
Mixed
Pupils on roll
781
Published capacity
900
Inspectorate
ISI inspection regime
Day-school evidence
No boarders; Does not have boarders
Area classification
Urban: Nearer to a major town or city
Address
Middle Road, Harrow-on-the-Hill, Harrow, HA2 0HN
Telephone
02085159400
School website
Visit official website

Source: GIAS establishment record · published 20/08/2026

Pupils and staffing

Official figures for 2025/26.

Pupils
781
Girls / boys
192 / 589
Teachers (headcount)
43
Teachers (FTE)
40.5
Pupils per teacher FTE — not class size
19.3
Area classification
Urban: Nearer to a major town or city

Source: official publication (04/06/2026) · official publication (04/06/2026)

Destinations of 2022/23 leavers

Historical DfE destination measures; these do not describe the current leaving cohort.

Level 3 cohort
54
Sustained destination
88.9%
Higher education
77.8%

Source: official publication (23/04/2026)

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