| Borough | Hounslow |
| Postcode | W4 2DF |
| Phase | Primary |
| School type | Voluntary aided school |
| Gender | Mixed |
| Age range | 3–11 |
| Sixth form | Does not have a sixth form |
| Admissions | Not applicable |
| Religious character | Roman Catholic |
| Overall rating | Good |
| Last inspected | 27/06/2023 |
| Report | View Ofsted report |
| KS2 expected standard | 77.0% |
| KS2 higher standard | 13.0% |
| Headteacher | Elizabeth Keane |
| Phone | 02089945606 |
| Website | https://www.stmaryschiswick.org.uk/ |
| Pupil deprivation | Very low pupil deprivation |
| Crime level | Below average crime |