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	Magdalen College School	950 pupils	Independent · Day · 6th	Oxford, South East	— ISI · Good
2	Guildford High School	1,021 pupils	Independent · Day · 6th	Guildford, South East	— ISI · Good
3	James Allen's Girls' School	1,212 pupils	Independent · Day · 6th	London, London	— ISI · Good
4	The Manchester Grammar School	1,659 pupils	Independent · Day · 6th	Manchester, North West	— ISI · Good
5	The Godolphin and Latymer School	804 pupils	Independent · Day · 6th	London, London	— ISI · Good
6	City of London School	1,074 pupils	Independent · Day · 6th	London, London	— ISI · Good
7	King's College School	1,507 pupils	Independent · Day · 6th	London, London	—
8	St Paul's Girls' School	824 pupils	Independent · Day · 6th	London, London	—
9	Hampton School	1,548 pupils	Independent · Day · 6th	Hampton, London	— ISI · Excellent
10	Latymer Upper School and Latymer Prep	1,428 pupils	Independent · Day · 6th	London, London	— ISI · Good
11	Highgate School	1,946 pupils	Independent · Day · 6th	Unknown, London	— ISI · Good
12	Royal Grammar School Guildford	1,311 pupils	Independent · Day · 6th	Unknown, South East	—
13	North London Collegiate School	1,102 pupils	Independent · Day · 6th	Middlesex, London	— ISI · Good
14	Withington Girls' School	756 pupils	Independent · Day · 6th	Manchester, North West	— ISI · Good
15	Surbiton High School	1,618 pupils	Independent · Day · 6th	Kingston upon Thames, London	— ISI · Excellent
16	The Perse School	1,735 pupils	Independent · Day · 6th	Unknown, East of England	— ISI · Good
17	Merchant Taylors' School	959 pupils	Independent · Day · 6th	Northwood, East of England	— ISI · Good
18	Notting Hill & Ealing High School GDST	930 pupils	Independent · Day · 6th	Unknown, London	— ISI · Good
19	Royal Grammar School	1,330 pupils	Independent · Day · 6th	Newcastle-upon-Tyne, North East	— ISI · Good
20	Solihull School	1,564 pupils	Independent · Day · 6th	Solihull, West Midlands	— ISI · Good
21	Putney High School GDST	1,067 pupils	Independent · Day · 6th	Unknown, London	— ISI · Excellent
22	City of London School for Girls	780 pupils	Independent · Day · 6th	London, London	— ISI · Good
23	Trinity School	1,049 pupils	Independent · Day · 6th	Unknown, London	— ISI · Good
24	King Edward VI High School for Girls	661 pupils	Independent · Day · 6th	Birmingham, West Midlands	— ISI · Good
25	St Helen and St Katharine	711 pupils	Independent · Day · 6th	Abingdon, South East	— ISI · 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.