Bedfordshire •
Bedford School,
Bedford •
Challney High School for Boys,
Luton Berkshire •
Desborough College,
Maidenhead •
Eton College,
Eton •
Ludgrove School,
Wokingham •
Papplewick School,
Ascot •
Reading School,
Reading •
Sunningdale School,
Sunningdale •
The Windsor Boys' School,
Windsor Bristol •
Queen Elizabeth's Hospital,
Clifton Buckinghamshire •
Aylesbury Grammar School,
Aylesbury •
Caldicott School,
Farnham Royal •
Dr Challoner's Grammar School,
Amersham •
John Hampden Grammar School,
High Wycombe Cheshire •
Sandbach School,
Sandbach Devon •
Devonport High School for Boys,
Plymouth •
Torquay Boys' Grammar School,
Torquay Dorset •
Bournemouth School,
Charminster •
Poole Grammar School,
Poole •
Sherborne School,
Sherborne ;;
Bournemouth •
Avonbourne Boys' Academy •
Winton Academy East Yorkshire •
Beverley Grammar School,
Beverley Essex •
New Hall School Boys' Senior School,
Boreham •
Southend High School for Boys,
Prittlewell ;;
Westcliff-on-Sea •
St Thomas More High School •
Westcliff High School for Boys Gloucestershire •
Marling School,
Stroud •
Sir Thomas Rich's School,
Longlevens Greater London •
Beths Grammar School,
Bexley •
Brondesbury College •
The Campion School,
Hornchurch •
Carshalton Boys Sports College,
Carshalton •
Central Foundation Boys' School,
Islington •
City of London School,
London •
Coombe Boys' School,
New Malden •
Darul Hadis Latifiah,
Bethnal Green •
Darul Uloom London,
Chislehurst •
Eaton House Belgravia Pre-Prep and Prep,
Belgravia •
Eaton House The Manor Pre-Prep and Prep,
Wandsworth •
Enfield Grammar School,
Enfield Town •
Ernest Bevin Academy,
Tooting •
Finchley Catholic High School,
North Finchley •
Forest Hill School,
Forest Hill •
Gunnersbury Boys' School,
Brentford •
The Hall School,
Belsize Park •
Hampton School,
Hampton •
Harris Boys' Academy East Dulwich,
Peckham •
Harrow School,
Harrow on the Hill •
Ilford County High School,
Barkingside •
Isleworth and Syon School,
Isleworth •
The John Fisher School,
Peaks Hill •
King's House School,
Richmond •
Langley Park School for Boys,
Beckenham •
London Oratory School •
Marylebone Boys' School,
Marylebone •
Norlington School,
Leyton •
Pardes House Grammar School,
Finchley •
Queen Elizabeth's School,
Barnet •
Ravens Wood School,
Keston •
Royal Liberty School,
Gidea Park •
Rutlish School,
Merton Park •
Salvatorian College,
Wealdstone •
St Aloysius' College,
Highgate •
St Bonaventure's,
Forest Gate •
St Columba's Catholic Boys' School,
Bexleyheath •
St Ignatius College,
Enfield •
St Joseph's College,
Upper Norwood •
St Olave's Grammar School,
Orpington •
St Thomas the Apostle College,
Nunhead •
Sussex House School,
Chelsea •
Tawhid Boys School •
Torah Temimah Primary School,
Dollis Hill •
Tower House School,
East Sheen •
Trinity School of John Whitgift,
Shirley Park (becoming co-ed from Sept 2027) •
University College School,
Frognal •
Wallington County Grammar School,
Wallington •
Wetherby School,
Notting Hill/
Kensington/
Marylebone •
Whitgift School,
South Croydon •
William Ellis School,
Gospel Oak •
Woolwich Polytechnic School for Boys,
Thamesmead ;;
Barnes •
St Paul's Juniors •
St Paul's School ;;
Brent •
Brondesbury College •
Newman Catholic College ;;
Dulwich •
Dulwich College •
Dulwich Prep & Senior ;;
Hampstead •
Hereward House School •
St Anthony's School ;;
Kingston upon Thames •
Rokeby School •
Tiffin School ;;
Surbiton •
Shrewsbury House School •
Southborough High School ;;
Sutton •
Homefield Preparatory School •
Sutton Grammar School •
Wilson's School ;;
Westminster •
Arnold House School •
Westminster Abbey Choir School •
Westminster Cathedral Choir School •
Westminster City School •
Westminster School (becoming co-ed from Sept 2028) •
Westminster Under School (becoming co-ed from Sept 2026) ;;
Wimbledon •
King's College School (becoming co-ed from Sept 2033) •
Wimbledon College Greater Manchester •
Altrincham Grammar School for Boys,
Altrincham •
Audenshaw School,
Audenshaw •
Bolton School Single Sex Junior, Senior, and Sixth Form schools •
Burnage Academy for Boys,
Burnage •
Bury Grammar School,
Bury •
Darul Hadis Latifiah Northwest,
Oldham •
Darul Uloom Bolton,
Bolton •
Manchester Grammar School,
Manchester •
Manchester Mesivta School,
Prestwich •
St Ambrose College,
Hale Barns •
Wellacre Academy,
Flixton •
West Hill School,
Staybridge Hampshire •
Horris Hill School,
Newtown •
Lakeside School,
Chandler's Ford •
Salesian College,
Farnborough ;;
Winchester •
The Pilgrims' School •
Winchester College,
Winchester Hertfordshire •
Berkhamsted School,
Berkhamsted (separate Boys' Senior School) •
The Bishop's Stortford High School,
Bishop's Stortford •
Haberdashers' Boys' School,
Elstree •
Hitchin Boys' School,
Hitchin •
Merchant Taylors' School,
Three Rivers •
Richard Hale School,
Hertford •
Verulam School,
St Albans •
Watford Grammar School for Boys,
Watford Kent •
Borden Grammar School,
Sittingbourne •
Dartford Grammar School,
Dartford •
Dover Grammar School for Boys,
Dover •
Greenacre Academy,
Walderslade •
The Harvey Grammar School,
Folkestone •
The Howard School,
Rainham •
The Judd School,
Tonbridge •
Northfleet Technology College,
Northfleet •
Simon Langton Grammar School for Boys,
Canterbury •
Sir Joseph Williamson's Mathematical School,
Rochester •
Tonbridge School,
Tonbridge •
Wilmington Grammar School for Boys,
Wilmington ;;
Maidstone •
Maidstone Grammar School •
Oakwood Park Grammar School ;;
Tunbridge Wells •
The Skinners' School •
Tunbridge Wells Grammar School for Boys Lancashire •
Hutton Grammar School,
Hutton •
Lancaster Royal Grammar School,
Lancaster ;;
Blackburn •
Jamiatul Ilm Wal Huda •
Tauheedul Islam Boys' High School Leicestershire •
Loughborough Grammar School,
Loughborough Lincolnshire •
Boston Grammar School,
Boston •
The King's School,
Grantham •
Spalding Grammar School,
Spalding Merseyside •
Birkdale High School,
Southport •
Calday Grange Grammar School,
West Kirby •
St Anselm's College,
Birkenhead •
Wirral Grammar School for Boys,
Bebington ;;
Liverpool •
Cardinal Heenan Catholic High School •
St Francis Xavier's College •
St Margaret's Church of England Academy Norfolk •
Bure Park Specialist Academy,
Great Yarmouth North Yorkshire •
Ermysted's Grammar School,
Skipton Northamptonshire •
Northampton School for Boys,
Northampton Oxfordshire •
Radley College,
Radley •
St Birinus School,
Didcot •
Summer Fields School,
Summertown •
Swalcliffe Park School,
Swalcliffe ;;
Oxford •
Christ Church Cathedral School,
Oxford •
Magdalen College School (becoming co-ed from Sept 2030) •
New College School Somerset •
Beechen Cliff School,
Bath Surrey •
Glyn School,
Ewell •
More House School,
Frensham •
Reed's School,
Cobham •
Richard Challoner School,
Kingston upon Thames •
Royal Grammar School,
Guildford (becoming co-ed from Sept 2027) •
St James Independent Schools Senior Boys' School,
Ashford (becoming co-ed from Sept 2027)
Tyne and Wear •
St Aidan's Catholic Academy,
Ashbrooke ;;
Newcastle-upon-Tyne •
Newcastle School for Boys •
St Cuthbert's High School Warwickshire •
King Edward VI School,
Stratford-upon-Avon •
Lawrence Sheriff School,
Rugby West Midlands ;;
Birmingham •
King Edward VI Aston School •
King Edward VI Camp Hill School for Boys •
King Edward VI Handsworth Grammar School for Boys •
King Edward's School •
Lordswood Boys' School •
Turves Green Boys' School •
Wheelers Lane Technology College West Yorkshire •
Queen Elizabeth Grammar School,
Wakefield •
Upper Batley High School,
Batley Wiltshire •
Bishop Wordsworth's School,
Salisbury Former ;; Became coeducational •
Abbotsholme School,
Rocester became coed in 1969. •
Aldwickbury School,
Harpenden became coed in 2025. •
Archbishop Tenison's School,
Lambeth became coed in 1961 and closed in 2023. • Bellemoor School,
Southampton became the coed
Upper Shirley High School in 2008. •
Blewcoat School,
Westminster became coed in 1714 and closed in 1926. •
Cambridgeshire High School for Boys,
Cambridge became the coed
Hills Road Sixth Form College in 1974. •
Charterhouse School,
Godalming became coed in 2017. •
Cheltenham College,
Cheltenham became coed in 1969. •
The Crypt School,
Podsmead became coed in 2018. • Culverhay School,
Bath became the coed
Bath Community Academy in 2012, which closed in 2018. • Cray Valley Technical School,
St. Paul's Cray, became the coed
Kemnal Technology College in 1974. •
Christ's College,
Finchley became coed in 2018. •
Derby Grammar School,
Littleover became coed in 2007. •
Derby School,
Derby became coed in 1972 and closed in 1989. •
Durston House,
Ealing became coed in 2023. •
Elmhurst School,
South Croydon became coed in 2024. •
Eltham College,
Mottingham became coed in 2024. •
The Forest School, Horsham,
Horsham became coed in 2021. •
The Forest School, Winnersh,
Winnersh became coed in 2024. •
Foxwood School,
Leeds became coed in 1971. •
Gordon's School,
West End became coed in 1990. • Hayesbrook School,
Tonbridge became the coed
Leigh Academy Tonbridge in 2023. •
Hull Trinity House Academy,
Kingston upon Hull became coed in 2022. •
John Lyon School,
Harrow on the Hill became coed in 2021. •
The Mall School,
Twickenham became coed in 2023. •
Marlborough Royal Free Grammar School,
Marlborough became coed in 1906 and closed in 1975. •
Norwich High School for Boys,
Norwich became the coed
Langley School in the 1940s. •
Oakham School,
Oakham became coed in 1971. •
Old Swinford Hospital,
Stourbridge became coed in 2021. •
Pierrepont School,
Frensham became coed in 1983 and closed in 1993. •
Plymouth Grammar School,
Plymouth became coed in the 1900s and closed in 1937. •
Reading Blue Coat School,
Sonning was originally a boys' school. •
Repton School,
Repton became coed in the 1970s. •
Rugby School,
Rugby became coed in 1992. •
Ryhope Grammar School,
Ryhope became coed in 1969 and closed in 1988. •
Saint George Catholic College,
Swaythling became a boys' school in the 1970s and returned to coed in 2013. •
Sedbergh School,
Sedbergh became coed in 2001. •
Shiplake College,
Shiplake became coed in 2023. •
Shrewsbury School,
Shrewsbury became coed in 2015. •
Solihull School,
Solihull became coed in 2005. •
Stamford School,
Stamford became coed in 2023. •
St Columba's College,
St Albans became coed in 2020. •
St George's School became a girls' school in 1904. •
St John's School,
Leatherhead became coed in 2012. •
St Peter's School,
York became coed in 1987. •
Temple Grove School,
Heron's Ghyll became coed in 1984 and closed in 2005. •
Wellington College,
Crowthorne became coed in 2005. •
Wixenford School,
Wokingham (1869-1934). •
Worth School,
Turners Hill became coed in 2008. ;; Merged •
The Cedars School,
Upper Norwood merged with
The Laurels School to become Fidelis College in 2025. • Central Technology College,
Gloucester merged with Bishop's College to become
Gloucester Academy in 2006. •
Chatham House Grammar School,
Ramsgate merged with
Clarendon House Grammar School to become the
Chatham & Clarendon Grammar School in 2011. •
Chichester High School for Boys,
Chichester merged with Chichester High School for Girls to become
Chichester High School in 2016. •
Crest Boys' Academy,
Neasden merged with
Crest Girls' Academy to become
E-ACT Crest Academy in 2014. •
Friern Barnet Grammar School,
Friern Barnet merged into the
Dwight School London in 1995. •
Hawtreys Preparatory School,
Slough merged into
Cheam School in 1994. •
Kitwood Boys School,
Boston merged with the Kitwood Girls' School to become
Haven High Academy in 1992. •
Littlemoss High School,
Littlemoss merged with
Droylsden School, Mathematics and Computing College for Girls to become the
Droylsden Academy in 2009. • Manchester Central Grammar School/High School for Boys,
Manchester merged into the coed
Manchester Academy in 1967. •
Richmond Boys School,
Halesowen merged with the Walton Girls School to become
Windsor High School, Halesowen in 1985. •
Salesian College,
Battersea merged with John Paul II School to become
St John Bosco College, Battersea. •
Scaitcliffe,
Egham merged with Virginia Water Prep School to become Bishopsgate School in 1996. •
Stubbington House School,
Stubbington merged with the Earleywood School in 1962 and closed in 1997. •
Sudbury Grammar School,
Sudbury merged with the High School for Girls to become
Ormiston Sudbury Academy in 1972. •
Tottenham Grammar School,
Tottenham merged with the Rowland Hill Secondary Modern School to become the Somerset School in 1967, which closed in 1988. •
Wandsworth School,
Southfields merged with Spencer Park School to become John Archer School, which closed in 1991. •
Warwick School for Boys,
Waltham Forest merged with
Aveling Park School to become
Frederick Bremer School in 2008. ;; Closed •
Abbotsfield School for Boys,
Hillingdon (1953-2017) •
Al Karam Secondary School,
Eaton (1995-2014) •
Amersham Hall,
Amersham (1829-1896) •
Ascham St Vincent's School,
Eastbourne (1889-1938) •
Blackheath Proprietary School,
Blackheath •
Bruce Castle School,
Tottenham (1827-1891) •
Buckhurst Hill County High School,
Chigwell (1938-1989) •
City of Bath Technical School,
Bath (1927-1973) •
City of Oxford High School for Boys (1881-1966) •
Clapham College,
Clapham Common (1897-1989) •
Clifton House School,
Harrogate (1898-1968) •
Divine Mercy College,
Henley-on-Thames (1953-1986) •
Greenways School,
Codford (closed 1969) •
Grove House School,
Tottenham (1828-1877) •
Heatherdown School,
Ascot (closed 1982) •
Huyton Hill Preparatory School,
Huyton (1926-1969) •
Jameah Islameah School,
Mark Cross (closed 2007) •
Kensington School,
Kensington (1830-1896) •
Kesgrave Hall School,
Ipswich (1976-1993) •
Kettering Grammar School,
Kettering (closed 1976) •
Kingwell Court Preparatory School,
Bradford-on-Avon (1936-1990) •
Liverpool Institute High School for Boys,
Liverpool (1825-1985) •
Mayfield College,
Mayfield (1868-1999) •
Mount Radford School,
Exeter (1827-1967) •
Priory Preparatory School,
Banstead (1921-2017) •
Purley High School for Boys,
Coulsdon (1914-1988) •
Retford King Edward VI Grammar School,
Retford (1857-2003) •
Royal Masonic School for Boys,
Bushey (1903-1977) •
Shardlow Hall,
Shardlow (1911-1933) •
St Cyprian's School,
Eastbourne (1899-1943) •
St Philip's School,
Birmingham (1887-1976) •
Strand School,
Tulse Hill (1893-1979) •
Summerfields Preparatory School,
St Leonards-on-Sea (closed 1966) •
Sutton High School for Boys,
Plymouth (1926-1986) •
Tulse Hill School,
Upper Tulse Hill (1956-1990) •
Uckfield School,
Uckfield (1718-1930) •
Watts Naval School,
North Elmham (1903-1953) •
Woolverstone Hall School,
Ipswich (1951-1990) •
Wyggeston Grammar School for Boys,
Leicester (1876-1976) •
Wykeham House School,
Fareham opened a boys' school in 2013 and closed in 2015. ==Northern Ireland==