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:Ofsted Composite · A-Level Composite · GCSE Composite (all)A-Level AAB %A-Level APS / entry Value-addedGCSE Attainment 8 GCSE Eng+Maths 5+EBacc APS

BoardingAny Boarding Day

GenderAny Mixed (混合)Boys (男校)Girls (女校)

RegionUK-wide London South East South West East of England West Midlands East Midlands North West North East Yorkshire and the Humber

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#	School	Ofsted	Type	Region	Ofsted
1	The Perse School	1,735 pupils	Independent · Day · 6th	Unknown, East of England	— ISI · Good
2	Immanuel College	446 pupils	Independent · Day · 6th	Bushey, East of England	— ISI · Good
3	Bedford Modern School	1,252 pupils	Independent · Day · 6th	Bedford, East of England	— ISI · Good
4	Norwich School	1,170 pupils	Independent · Day · 6th	Norwich, East of England	—
5	The Peterborough School	514 pupils	Independent · Day · 6th	Peterborough, East of England	— ISI · Good
6	Sherrardswood School	467 pupils	Independent · Day · 6th	Welwyn, East of England	— ISI · Good
7	Bedford Greenacre Independent School	733 pupils	Independent · Day · 6th	Bedford, East of England	— ISI · Good
8	Gosfield School	368 pupils	Independent · Day · 6th	Unknown, East of England	— ISI · Good
9	OneSchool Global UK Colchester Campus	131 pupils	Independent · Day · 6th	Colchester, East of England	— ISI · Good
10	Thorpe Hall School	552 pupils	Independent · Day	Unknown, East of England	— ISI · Good
11	Colchester Prep & High School	281 pupils	Independent · Day	Colchester, East of England	— ISI · Good
12	Mander Portman Woodward	159 pupils	Independent · Day · 6th	Cambridge, East of England	—
13	Sancton Wood School	391 pupils	Independent · Day	Unknown, East of England	— ISI · Good
14	Stanborough Secondary School	70 pupils	Independent · Day · 6th	Watford, East of England	— ISI · Good
15	OneSchool Global UK - Biggleswade Campus	165 pupils	Independent · Day · 6th	Biggleswade, East of England	—
16	Egerton-Rothesay School	159 pupils	Independent · Day · 6th	Berkhamsted, East of England	— ISI · Good
17	Heritage School	197 pupils	Independent · Day	Cambridge, East of England	— ISI · Good
18	The King's School	176 pupils	Independent · Day	Harpenden, East of England	—
19	Saint Nicholas School	489 pupils	Independent · Day	Essex, East of England	—
20	OneSchool Global UK - Swaffham Campus	84 pupils	Independent · Day · 6th	Swaffham, East of England	—
21	St John's School	280 pupils	Independent · Day	Unknown, East of England	—
22	Kingshott School	414 pupils	Independent · Day	Hitchin, East of England	— ISI · Good
23	Westbrook Hay	386 pupils	Independent · Day	Unknown, East of England	— ISI · Good
24	Coopersale Hall School	266 pupils	Independent · Day	Epping, East of England	— ISI · Good
25	St Albans Independent College	Good	Independent · Day · 6th	St Albans, East of England	Good

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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.