GirlsIndependentBoarding

St Marys Calne and St Margarets Prep

Calne, Wiltshire, South West · SN11 0DF

Founded in 1873, St Mary's Calne is a Church of England girls' boarding and day school in Wiltshire, taking pupils from 11 to 18. With around 350 girls and a pupil-to-teacher ratio of roughly seven to one, it is a small school where individual attention is built into the structure. The Independent Schools Inspectorate rated it excellent for both education quality and personal development at its most recent inspection, with all compliance standards met. A sizeable sixth form of about 120 girls gives the upper school real weight.

350

Pupils

excellent

ISI

£33,450

Day fees / yr

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Overview & data

Gender: Girls
Type: independent (fee-paying) school
Age range: 11-18
Pupils: 350
Pupil:teacher ratio: 7
Location: Calne, Wiltshire, South West
Telephone: 01249 857200

Entrance & admissions

Entry age: 11

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Headteacher

Head Mrs Anne Wakefield

Latest results

Attainment 8

37.9

National average 46.9

GCSE grade 5+ (English & Maths)

National average 47%

GCSE grade 9-7

71%

A-level A*-A

62%

A-level A*-B

83%

Teaching & academics

Results at the top end are strong: 71% of GCSE entries reached grades 9 to 7, and at A-level 62% of grades were A*-A with 83% at A*-B. The curriculum is notably broad, spanning sciences, humanities, classics and the arts, with four modern languages including Chinese alongside Latin, and an EPQ on offer for independent study. Parents should note the headline Attainment 8 figure of 37.9 sits below the national average of 46.9, a reminder that the school's stated profile and its strongest results are best read together.

Sixth form

Sixth-form pupils: 120

Popular A-level subjects

MathematicsBiologyGeographyHistoryEconomicsDrama and Theatre StudiesEnglish LiteratureChemistryPhysicsPsychologyGovernment and PoliticsHistory of ArtClassical Civilisation

Qualifications offered

GCSEA-levelEPQ

Learning support & SEN

SEN support: 0%
EHC plans: 0%

Arts & extracurricular

Languages

FrenchSpanishChineseGerman

Popular GCSE subjects

English LiteratureEnglish LanguageGeographyReligious StudiesClassical CivilisationArt & Design (Fine Art)Drama & Theatre StudiesComputer Studies/ComputingChineseMusicLatin

Sport

Main sports

TennisLacrosseAthleticsHorse riding

Beyond the classroom

Sport has a distinctive flavour, with lacrosse, tennis and athletics joined by horse riding. The breadth of GCSE and A-level options in drama, music and art points to a culture where the creative subjects are taken seriously rather than treated as extras.

Ethos & heritage

Founded: 1873
Religious character: C of E
Boarding: Yes

Mobile phone policy

Pupils below sixth form not allowed phones during school day; fifth form and below allowed after school but not during activities or dining hall; should be out of sight and on silent outside boarding house

Money matters

Day fees (per year): £33,450
Boarding fees (per year): £46,650 - £58,410

Inspection reports

ISI rating: excellent
ISI personal development: excellent
Last inspected: 11 February 2025

Read the full inspection report ↗

The last word

A small, academically ambitious girls' boarding school with an excellent ISI verdict and a generous staffing ratio. Best suited to families seeking a close-knit, all-girls environment and able to meet day fees up to £33,450 or boarding fees up to £58,410.

The Passmate verdict