City of London School For Girls
Gender: Girls only
GCSE Ranking: 1
Location: England
Student Number: 809
Residency Type: Day
Religious Affiliation: Non-denominational
Westminster School
Gender: Boys only (co-ed sixth form)
GCSE Ranking: 2
Location: England
Student Number: 766
Residency Type: Day, Weekly/Flexible Boarding and Full Boarding
Religious Affiliation: Anglican
Guildford High School
Gender: Girls only
GCSE Ranking: 3
Location: England
Student Number: 1002
Residency Type: Day
Religious Affiliation: Church of England/Interdenominational
King's College School
Gender: Boys only (co-ed sixth form)
GCSE Ranking: 4
Location: England
Student Number: 1190
Residency Type: Day
Religious Affiliation: Church of England
City of London School
Gender: Boys only
GCSE Ranking: 5
Location: England
Student Number: 1018
Residency Type: Day
Religious Affiliation: All Faiths
Wycombe Abbey
Gender: Girls only
GCSE Ranking: 6
Location: England
Student Number: 656
Residency Type: Day and Full Boarding
Religious Affiliation: Church of England
Oxford International College
Gender: Coeducational
GCSE Ranking: 7
Location: England
Student Number: 356
Residency Type: Day, Weekly/Flexible Boarding, Full Boarding
Religious Affiliation: Non-denominational
Highgate School
Gender: Coeducational
GCSE Ranking: 8
Location: England
Student Number: 1880
Residency Type: Day
Religious Affiliation: Church of England
King Edward VI High School for Girls
Gender: Girls only
GCSE Ranking: 9
Location: England
Student Number: 650
Residency Type: Day
Religious Affiliation: All Faiths
St Mary's School Ascot
Gender: Girls only
GCSE Ranking: 10
Location: England
Student Number: 390
Residency Type: Day and Full Boarding
Religious Affiliation: Roman Catholic
South Hampstead High School GDST
Gender: Girls only
GCSE Ranking: 11
Location: England
Student Number: 941
Residency Type: Day
Religious Affiliation: Non-denominational
Brighton College
Gender: Coeducational
GCSE Ranking: 12
Location: England
Student Number: 1226
Residency Type: Day, Weekly/Flexible Boarding, Full Boarding
Religious Affiliation: Church of England
Trinity School
Gender: Coeducational
GCSE Ranking: 13
Location: England
Student Number: 255
Residency Type: Day, Weekly/Flexible Boarding and Full Boarding
Religious Affiliation: Roman Catholic/Church of England
Magdalen College School
Gender: Boys only (co-ed sixth form)
GCSE Ranking: 14
Location: England
Student Number: 964
Residency Type: Day
Religious Affiliation: Church of England
Dulwich College
Gender: Boys (some girls)
GCSE Ranking: 15
Location: England
Student Number: 1863
Residency Type: Day, Weekly/Flexible Boarding and Full Boarding
Religious Affiliation: Church of England
Alleyn's School
Gender: Coeducational
GCSE Ranking: 16
Location: England
Student Number: 1085
Residency Type: Day
Religious Affiliation: Church of England
St Albans School
Gender: Boys only (co-ed sixth form)
GCSE Ranking: 17
Location: England
Student Number: 879
Residency Type: Day
Religious Affiliation: All Faiths
Notting Hill and Ealing High School GDST
Gender: Girls only
GCSE Ranking: 18
Location: England
Student Number: 905
Residency Type: Day
Religious Affiliation: Non-denominational
Royal Grammar School
Gender: Boys only
GCSE Ranking: 19
Location: England
Student Number: 969
Residency Type: Day
Religious Affiliation: Non-denominational
Reigate Grammar School
Gender: Coeducational
GCSE Ranking: 20
Location: England
Student Number: 1085
Residency Type: Day
Religious Affiliation: All Faiths