| Type | Other independent school |
| Phase | All through |
| Gender | Girls |
| Age Range | 3 - 18 |
| Headteacher | Mrs Alice Lucas |
| Address |
Eastbury Road Northwood HA6 3AS |
| Religious Character | None |
| Website | http://www.sthelens.london |
| Telephone | 1923843210 |
| Number of pupils | 1,160 |
| Inspection | |
| GCSE national ranking | Top 12% |
| A-Level national ranking | Top 3% |
| Local authority | Hillingdon |
| Region | London |
| URN | 102453 |
| View this school information in GOV.UK website | |