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Secondary · 中学

Secondary · Independent (中学私立)

ISC-tier fee-paying secondary schools (HMC / GSA / IAPS members) with senior-school age range (≥16). Default order: continuous prestige score = manual tier (Clarendon Nine / HMC flagships) + DfE A-Level + GCSE + pupil count + boarding + destination signal. All 506 ISC schools ranked on one transparent scale. Click 'A-Level AAB %' for pure academic-merit. Excludes embassy / small religious / SEN micro-schools.

Sort by:OfstedComposite · A-LevelComposite · GCSEComposite (all)A-Level AAB %A-Level APS / entryValue-addedGCSE Attainment 8GCSE Eng+Maths 5+EBacc APS
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#SchoolOfstedTypeRegionOfsted
1The Perse School1,735 pupilsIndependent · Day · 6thUnknown, East of England
ISI · Good
2Brentwood School1,878 pupilsIndependent · Boarding · 6thBrentwood, East of England
ISI · Good
3Cardiff Sixth Form College, Cambridge98 pupilsIndependent · Boarding · 6thUnknown, East of England
4The Stephen Perse Foundation1,624 pupilsIndependent · Boarding · 6thUnknown, East of England
ISI · Good
5The Leys School564 pupilsIndependent · Boarding · 6thCambridge, East of England
ISI · Good
6Aldenham School841 pupilsIndependent · Boarding · 6thElstree, East of England
ISI · Good
7Kimbolton School1,071 pupilsIndependent · Boarding · 6thHuntingdon, East of England
ISI · Good
8New Hall School1,335 pupilsIndependent · Boarding · 6thChelmsford, East of England
ISI · Good
9Woodbridge School739 pupilsIndependent · Boarding · 6thWoodbridge, East of England
ISI · Excellent
10St Christopher School496 pupilsIndependent · Boarding · 6thLetchworth Garden City, East of England
ISI · Good
11Ipswich School1,132 pupilsIndependent · Boarding · 6thIpswich, East of England
12Wisbech Grammar School593 pupilsIndependent · Boarding · 6thCambridgeshire, East of England
ISI · Good
13Felsted School1,002 pupilsIndependent · Boarding · 6thFelsted, East of England
ISI · Good
14St Edmund's College791 pupilsIndependent · Boarding · 6thWare, East of England
15Gresham's School894 pupilsIndependent · Boarding · 6thUnknown, East of England
16Culford School895 pupilsIndependent · Boarding · 6thBury St. Edmunds, East of England
ISI · Good
17St Margaret's School806 pupilsIndependent · Boarding · 6thBushey, East of England
18Royal Hospital School545 pupilsIndependent · Boarding · 6thIpswich, East of England
ISI · Good
19Berkhamsted School1,431 pupilsIndependent · Boarding · 6thBerkhamsted, East of England
ISI · Good
20Immanuel College446 pupilsIndependent · Day · 6thBushey, East of England
ISI · Good
21Haileybury College916 pupilsIndependent · Boarding · 6thHertford, East of England
ISI · Good
22King's Ely1,156 pupilsIndependent · Boarding · 6thEly, East of England
23Langley School415 pupilsIndependent · Boarding · 6thNorfolk, East of England
ISI · Good
24Chigwell School1,111 pupilsIndependent · Boarding · 6thChigwell, East of England
25Bishop's Stortford College1,245 pupilsIndependent · Boarding · 6thBishop's Stortford, East of England
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Source: GIAS school register + Ofsted Management Information — open licence, weekly refresh.

Note on Independent schools: most are inspected by ISI, not Ofsted, so the Ofsted column is empty for many entries. ISI bulk data is not publicly available — sorting by A-Level metrics gives a more meaningful order for this slice.