| Borough | Sutton |
| Postcode | SM5 2PB |
| Phase | Primary |
| School type | Voluntary aided school |
| Gender | Mixed |
| Age range | 7–11 |
| Sixth form | Does not have a sixth form |
| Admissions | Not applicable |
| Religious character | Roman Catholic |
| Overall rating | Good |
| Last inspected | 04/02/2020 |
| Report | View Ofsted report |
| KS2 expected standard | 76.0% |
| KS2 higher standard | 16.0% |
| Headteacher | Shirley Hulme |
| Phone | 02086474342 |
| Website | www.stmarysjunior.org.uk |
| Pupil deprivation | Very low pupil deprivation |
| Crime level | Low crime area |