| Borough | Merton |
| Postcode | SW19 1QL |
| 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 | 07/12/2021 |
| Report | View Ofsted report |
| KS2 expected standard | 80.0% |
| KS2 higher standard | 18.0% |
| Headteacher | David McCabe |
| Phone | 02085424580 |
| Website | www.st-marys.merton.sch.uk |
| Pupil deprivation | Very low pupil deprivation |
| Crime level | Below average crime |