| LA_code | 213 |
| LA_name | Westminster |
| EstablishmentNumber | 6182 |
| EstablishmentName | Westminster Under School |
| TypeOfEstablishment | Other independent school |
| EstablishmentStatus | Open |
| PhaseOfEducation | Not applicable |
| StatutoryLowAge | 7 |
| StatutoryHighAge | 14 |
| Boarders | Not applicable |
| NurseryProvision | Not applicable |
| OfficialSixthForm | Not applicable |
| Gender | Boys |
| ReligiousCharacter | Church of England |
| ReligiousEthos | Church of England |
| Diocese | Not applicable |
| AdmissionsPolicy | Selective |
| TrustSchoolFlag | Not applicable |
| Trusts | |
| SchoolSponsorFlag | Not applicable |
| SchoolSponsors | |
| FederationFlag | Not applicable |
| Federations | |
| UKPRN | 10015576 |
| FurtherEducationType | Not applicable |
| Street | Adrian House |
| Locality | 27 Vincent Square |
| Address3 | London |
| Town | |
| County | |
| Postcode | SW1P 2NN |
| SchoolWebsite | http://www.westminster.org.uk |
| TelephoneNum | 02078215788 |
| HeadTitle | Mrs |
| HeadFirstName | Kate |
| HeadLastName | Jefferson |
| Linkedestablishments |