Millfield Prep School
Glastonbury, Somerset, South West · BA6 8LD
Set in Glastonbury, Somerset, Millfield Prep is an independent boarding and day school for boys and girls from the early years through to age 13. Founded in 1945, it now educates around 471 pupils, with a pupil-to-teacher ratio of about 14 to 1 that reflects its position as a relatively small school. The Independent Schools Inspectorate awarded it an "excellent" rating, including for personal development, and found all compliance standards met. Roughly one in five pupils receives some form of SEN support, suggesting a setting accustomed to meeting a range of learning needs.
471
Pupils
excellent
ISI
£27,975
Day fees / yr
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Open in Google Maps ↗Overview & data
- Gender
- Mixed
- Type
- independent (fee-paying) school
- Age range
- 2-13
- Pupils
- 471
- Pupil:teacher ratio
- 14
- Location
- Glastonbury, Somerset, South West
- Website
- https://www.millfieldschool.com/
- Telephone
- 01458 832446
Headteacher
Headmaster Dan Thornburn
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Teaching & academics
An ISI judgement of "excellent" places teaching and learning here among the strongest the inspectorate recognises. The manageable teaching ratio of around 14 pupils per teacher gives staff scope to know children individually across the wide 2-13 age span. The notable level of SEN support indicates a school willing to adapt for pupils who learn differently.
Learning support & SEN
- SEN support
- 20.59%
- EHC plans
- 0.21%
Sport
Main sports
Beyond the classroom
Sport features prominently in the school's wider programme. As a boarding school, daily life extends well beyond lessons, with boarders able to use personal devices to keep in touch with families privately.
Ethos & heritage
- Founded
- 1945
- Boarding
- Yes
Mobile phone policy
Passcodes required, 'find my' settings on, not left unattended, locked when not in use. Boarders use devices to contact families privately. EYFS policy: devices not used in presence of children, stored safely out of reach, not used in teaching areas.
Money matters
- Day fees (per year)
- £12,750 - £27,975
- Boarding fees (per year)
- £43,050
Inspection reports
- ISI rating
- excellent
- ISI personal development
- excellent
- Last inspected
- 24 January 2023
The last word
A small, well-regarded prep school for families wanting day or boarding provision through to 13, backed by a top ISI rating. Fees range widely, so prospective parents should weigh day costs against the boarding option carefully.
The Passmate verdict
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Millfield Prep School 11+: frequently asked questions
Where is Millfield Prep School located?
Millfield Prep School is located at Edgarley Hall, Glastonbury, Glastonbury, BA6 8LD.
What type of school is Millfield Prep School?
Millfield Prep School is an independent (fee-paying) school in South West.
How many pupils attend Millfield Prep School?
Millfield Prep School has approximately 471 pupils on roll.
What is Millfield Prep School's inspection rating?
Millfield Prep School is inspected by the ISI and was judged "excellent" at its inspection on 24 January 2023.
Compiled from public data. Last checked June 2026.