| Borough | Harrow |
| Postcode | HA7 3FD |
| 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 | Church of England |
| Overall rating | Good |
| Report | View Ofsted report |
| KS2 expected standard | 64.0% |
| KS2 higher standard | 11.0% |
| Headteacher | Rachel Blake |
| Phone | 02089543978 |
| Website | www.stjohns.harrow.sch.uk/ |
| Pupil deprivation | Average pupil deprivation |
| Crime level | Low crime area |