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. Currently sorted by GCSE Attainment 8 (period 202425).

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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Showing 1–25 of 74Page 1 of 3EES period: 202425

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#	School	GCSE Attainment 8	Type	Region	Ofsted
1	The Perse School Period 202425	82.9	Independent · Day · 6th	Unknown, East of England	—
2	New Hall School Period 202425	70.5	Independent · Boarding · 6th	Chelmsford, East of England	—
3	Abbot's Hill School Period 202425	68.8	Independent · Day	Hemel Hempstead, East of England	—
4	Ipswich School Period 202425	68.1	Independent · Boarding · 6th	Ipswich, East of England	—
5	St Mary's School for Girls Period 202425	66.5	Independent · Day · 6th	Colchester, East of England	—
6	Royal Masonic School for Girls Period 202425	66.2	Independent · Boarding · 6th	Rickmansworth, East of England	—
7	Colchester Prep & High School Period 202425	61.0	Independent · Day	Colchester, East of England	—
8	The Peterborough School Period 202425	60.8	Independent · Day · 6th	Peterborough, East of England	—
9	The King's School Period 202425	59.3	Independent · Day	Harpenden, East of England	—
10	OneSchool Global UK - Biggleswade Campus Period 202425	59.1	Independent · Day · 6th	Biggleswade, East of England	—
11	St Christopher School Period 202425	58.3	Independent · Boarding · 6th	Letchworth Garden City, East of England	—
12	OneSchool Global UK Colchester Campus Period 202425	58.2	Independent · Day · 6th	Colchester, East of England	—
13	St Francis College Period 202425	56.9	Independent · Boarding · 6th	Letchworth Garden City, East of England	—
14	St Margaret's School Period 202425	56.3	Independent · Boarding · 6th	Bushey, East of England	—
15	St Joseph's College Period 202425	54.7	Independent · Boarding · 6th	Ipswich, East of England	—
16	Thorpe Hall School Period 202425	54.7	Independent · Day	Unknown, East of England	—
17	Brentwood School Period 202223	54.0	Independent · Boarding · 6th	Brentwood, East of England	—
18	Sancton Wood School Period 202425	52.4	Independent · Day	Unknown, East of England	—
19	Sherrardswood School Period 202425	52.0	Independent · Day · 6th	Welwyn, East of England	—
20	St Mary's School Period 202425	51.8	Independent · Boarding · 6th	cambridge, East of England	—
21	Royal Hospital School Period 202425	50.9	Independent · Boarding · 6th	Ipswich, East of England	—
22	Gosfield School Period 202425	50.5	Independent · Day · 6th	Unknown, East of England	—
23	OneSchool Global UK - Swaffham Campus Period 202425	50.1	Independent · Day · 6th	Swaffham, East of England	—
24	The Stephen Perse Foundation Period 202425	49.9	Independent · Boarding · 6th	Unknown, East of England	—
25	Queenswood School	49.5	Independent · Boarding · 6th	Hatfield, East of England	—

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Source: DfE / Explore Education Statistics, latest published 16-18 period (202425). Independent schools that don't submit to DfE are not represented.

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.