| LA_code | 681 |
| LA_name | Cardiff |
| EstablishmentNumber | 4051 |
| EstablishmentName | Llanishen High School |
| TypeOfEstablishment | Welsh establishment |
| EstablishmentStatus | Open |
| PhaseOfEducation | Not applicable |
| StatutoryLowAge | |
| StatutoryHighAge | |
| Boarders | Not applicable |
| NurseryProvision | Not applicable |
| OfficialSixthForm | Does not have a sixth form |
| Gender | Not applicable |
| ReligiousCharacter | |
| ReligiousEthos | |
| Diocese | Not applicable |
| AdmissionsPolicy | |
| TrustSchoolFlag | Not applicable |
| Trusts | |
| SchoolSponsorFlag | Not applicable |
| SchoolSponsors | |
| FederationFlag | Not applicable |
| Federations | |
| UKPRN | 10008944 |
| FurtherEducationType | Not applicable |
| Street | Heol Hir |
| Locality | Llanishen |
| Address3 | |
| Town | Cardiff |
| County | |
| Postcode | CF14 5YL |
| SchoolWebsite | |
| TelephoneNum | 02920680800 |
| HeadTitle | Mr |
| HeadFirstName | Robert |
| HeadLastName | Smyth |
| Linkedestablishments |