MixedIndependentBoarding

Cumnor House Sussex

Haywards Heath, West Sussex, South East · RH17 7HT

A small prep school set in Haywards Heath, West Sussex, Cumnor House Sussex has been educating children since 1948 and takes pupils from age two right through to thirteen. With around 356 on roll and the option of boarding, it offers a close-knit, family feel. The Independent Schools Inspectorate awarded the school its top grade of 'excellent' for both quality of education and personal development, while all compliance standards were met. One notable feature is its provision of fully funded, means-tested bursaries covering schooling from age four to eighteen, arranged in partnership with senior schools including Hurst, Radley and Benenden.

356

Pupils

excellent

ISI

£28,284

Day fees / yr

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Overview & data

Gender: Mixed
Type: independent (fee-paying) school
Age range: 2-13
Pupils: 356
Location: Haywards Heath, West Sussex, South East
Website: https://cumnor.co.uk/
Telephone: 01825 790347

Headteacher

Headmaster Mr Fergus Llewellyn

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Teaching & academics

An ISI rating of 'excellent' across the board points to genuinely strong teaching and pupil outcomes at this stage of education. Almost a fifth of pupils receive some form of SEN support, suggesting a school willing to accommodate a range of learning needs within its small community. Entry at 11+ is available, and the curriculum runs through to age thirteen.

Learning support & SEN

SEN support: 19.76%
EHC plans: 0.24%

Beyond the classroom

Boarding provision extends the school day and broadens the experience on offer beyond the classroom. The partnership with senior schools such as Hurst, Radley and Benenden also signals a clear pathway towards the next stage of education.

Ethos & heritage

Founded: 1948
Boarding: Yes

Money matters

Day fees (per year): £12,918 - £28,284
Bursaries up to: 100% of fees

Fully funded (and means-tested) bursaries covering education from age 4 to 18, in partnership with senior schools including Hurst, Radley, and Benenden

Inspection reports

ISI rating: excellent
ISI personal development: excellent
Last inspected: 14 October 2025

Read the full inspection report ↗

The last word

A small, well-regarded prep with boarding and an unusually generous bursary scheme. Worth a close look for families seeking a nurturing route towards leading senior schools.

The Passmate verdict