| LA_code | 825 |
| LA_name | Buckinghamshire |
| EstablishmentNumber | 4009 |
| EstablishmentName | John Hampden Grammar School |
| TypeOfEstablishment | Academy converter |
| EstablishmentStatus | Open |
| PhaseOfEducation | Secondary |
| StatutoryLowAge | 11 |
| StatutoryHighAge | 18 |
| Boarders | No boarders |
| NurseryProvision | Not applicable |
| OfficialSixthForm | Has a sixth form |
| Gender | Boys |
| ReligiousCharacter | Does not apply |
| ReligiousEthos | Does not apply |
| Diocese | Not applicable |
| AdmissionsPolicy | Selective |
| TrustSchoolFlag | Supported by a single-academy trust |
| Trusts | JOHN HAMPDEN GRAMMAR SCHOOL |
| SchoolSponsorFlag | - |
| SchoolSponsors | |
| FederationFlag | Not applicable |
| Federations | |
| UKPRN | 10033770 |
| FurtherEducationType | Not applicable |
| Street | Marlow Hill |
| Locality | |
| Address3 | |
| Town | High Wycombe |
| County | Buckinghamshire |
| Postcode | HP11 1SZ |
| SchoolWebsite | www.jhgs.bucks.sch.uk |
| TelephoneNum | 01494529589 |
| HeadTitle | Miss |
| HeadFirstName | Tracey |
| HeadLastName | Hartley |
| Linkedestablishments |