| Borough | Croydon |
| Postcode | CR9 2EE |
| Phase | Secondary |
| School type | Voluntary aided school |
| Gender | Mixed |
| Age range | 11–19 |
| Sixth form | Has a sixth form |
| Admissions | Non-selective |
| Religious character | Roman Catholic |
| Overall rating | Good |
| Report | View Ofsted report |
| Attainment 8 score | 39.8 |
| Grade 5+ English & Maths | 29.9% |
| Grade 4+ English & Maths | 52.3% |
| Headteacher | Conal Patrick Shields |
| Phone | 02086863837 |
| Website | www.stmaryscroydon.co.uk |
| Pupil deprivation | High pupil deprivation |
| Crime level | High crime area |