| LA_code | 882 |
| LA_name | Southend-on-Sea |
| EstablishmentNumber | 5447 |
| EstablishmentName | St Thomas More High 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 | Roman Catholic |
| ReligiousEthos | Does not apply |
| Diocese | Diocese of Brentwood |
| AdmissionsPolicy | Non-selective |
| TrustSchoolFlag | Supported by a multi-academy trust |
| Trusts | ASSISI CATHOLIC TRUST |
| SchoolSponsorFlag | Linked to a sponsor |
| SchoolSponsors | Assisi Catholic Trust |
| FederationFlag | Not applicable |
| Federations | |
| UKPRN | 10034853 |
| FurtherEducationType | Not applicable |
| Street | Kenilworth Gardens |
| Locality | |
| Address3 | |
| Town | Westcliff-on-Sea |
| County | Essex |
| Postcode | SS0 0BW |
| SchoolWebsite | www.st-thomasmore.southend.sch.uk |
| TelephoneNum | 01702344933 |
| HeadTitle | |
| HeadFirstName | G |
| HeadLastName | Ackred |
| Linkedestablishments |