| LA_code | 919 |
| LA_name | Hertfordshire |
| EstablishmentNumber | 4080 |
| EstablishmentName | Longdean School |
| TypeOfEstablishment | Academy converter |
| EstablishmentStatus | Open |
| PhaseOfEducation | Secondary |
| StatutoryLowAge | 11 |
| StatutoryHighAge | 18 |
| Boarders | No boarders |
| NurseryProvision | Not applicable |
| OfficialSixthForm | Has a sixth form |
| Gender | Mixed |
| ReligiousCharacter | Does not apply |
| ReligiousEthos | Does not apply |
| Diocese | Not applicable |
| AdmissionsPolicy | Non-selective |
| TrustSchoolFlag | Supported by a multi-academy trust |
| Trusts | SCHOLARS' EDUCATION TRUST |
| SchoolSponsorFlag | Linked to a sponsor |
| SchoolSponsors | Scholars' Education Trust |
| FederationFlag | Not applicable |
| Federations | |
| UKPRN | 10034510 |
| FurtherEducationType | Not applicable |
| Street | Rumballs Rd |
| Locality | |
| Address3 | |
| Town | Hemel Hempstead |
| County | Hertfordshire |
| Postcode | HP3 8JB |
| SchoolWebsite | http://www.longdean.herts.sch.uk |
| TelephoneNum | 01442217277 |
| HeadTitle | Mr |
| HeadFirstName | Graham |
| HeadLastName | Cunningham |
| Linkedestablishments |