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 Composite score (period 202425). Composite = weighted Ofsted + Att8 + EM5+ (GCSE).

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 200Page 1 of 8EES period: 202425

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#	School	Composite score	Type	Region	Ofsted
1	North Bridge House Senior Canonbury School	88.8 composite Ofsted33.3 Att825.0 EM5+30.5	Independent · Day · 6th	Unknown, London	—
2	The Perse School	88.5 composite Ofsted25.0 Att830.7 EM5+32.8	Independent · Day · 6th	Unknown, East of England	—
3	St Helen and St Katharine	84.3 composite Ofsted25.0 Att826.6 EM5+32.7	Independent · Day · 6th	Abingdon, South East	—
4	Salesian College	84.0 composite Ofsted25.0 Att826.6 EM5+32.3	Independent · Day · 6th	Farnborough, South East	—
5	Manchester High School for Girls	83.4 composite Ofsted25.0 Att827.3 EM5+31.1	Independent · Day · 6th	Manchester, North West	—
6	Crosfields School	83.4 composite Ofsted25.0 Att825.9 EM5+32.5	Independent · Day	Reading, South East	—
7	The Marist School	82.5 composite Ofsted25.0 Att826.6 EM5+30.8	Independent · Day · 6th	Ascot, South East	—
8	Northwood College for Girls GDST	82.3 composite Ofsted25.0 Att825.9 EM5+31.4	Independent · Day · 6th	Northwood, London	—
9	Claremont Fan Court School	81.0 composite Ofsted25.0 Att825.4 EM5+30.6	Independent · Day · 6th	Unknown, South East	—
10	Red House School	80.9 composite Ofsted25.0 Att825.9 EM5+30.1	Independent · Day	Stockton-on-Tees, North East	—
11	Nottingham Girls' High School GDST	80.8 composite Ofsted25.0 Att825.9 EM5+30.0	Independent · Day · 6th	Unknown, East Midlands	—
12	Alderley Edge School for Girls	80.1 composite Ofsted25.0 Att825.2 EM5+29.9	Independent · Day · 6th	Alderley Edge, North West	—
13	Cranmore	79.9 composite Ofsted25.0 Att824.4 EM5+30.5	Independent · Day	Leatherhead, South East	—
14	Quinton House School	79.0 composite Ofsted33.3 Att821.0 EM5+24.7	Independent · Day · 6th	Unknown, East Midlands	—
15	The Harrodian School	78.6 composite Ofsted18.8 Att827.9 EM5+31.9	Independent · Day · 6th	London, London	Good
16	Notre Dame School	78.6 composite Ofsted25.0 Att824.7 EM5+28.9	Independent · Day · 6th	Unknown, South East	—
17	The Queen's School	78.0 composite Ofsted25.0 Att825.0 EM5+28.0	Independent · Day · 6th	Chester, North West	—
18	Twycross House School	78.0 composite Ofsted25.0 Att824.0 EM5+29.0	Independent · Day · 6th	Atherstone, East Midlands	Outstanding
19	Abbot's Hill School	77.5 composite Ofsted25.0 Att825.5 EM5+27.0	Independent · Day	Hemel Hempstead, East of England	—
20	Kew House	77.2 composite Ofsted25.0 Att824.8 EM5+27.5	Independent · Day · 6th	London, London	—
21	Derby High School	76.4 composite Ofsted25.0 Att822.3 EM5+29.1	Independent · Day · 6th	Derby, East Midlands	—
22	The Maynard School	75.7 composite Ofsted25.0 Att822.4 EM5+28.3	Independent · Day · 6th	Exeter, South West	—
23	Farnborough Hill	75.5 composite Ofsted25.0 Att823.6 EM5+26.9	Independent · Day · 6th	Farnborough, South East	—
24	Stafford Grammar School	74.8 composite Ofsted25.0 Att822.7 EM5+27.1	Independent · Day · 6th	Unknown, West Midlands	—
25	Meoncross School	74.1 composite Ofsted25.0 Att824.1 EM5+25.0	Independent · Day	Unknown, South East	—

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Source: GIAS school register + Ofsted Management Information — open licence, weekly refresh.

Composite caveats: Independent schools mostly don't submit to DfE EES, so they appear with low completeness scores (or not at all in the composite ranking). The composite mixes A-Level (Y13) and GCSE (Y11) signals — schools without a sixth form get a small completeness penalty even though it isn't a quality issue. For Independent senior schools, the destination-edge rankings (Oxford / Cambridge feeders) are usually more meaningful than this score.

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.