| Borough | Merton |
| Postcode | SW20 8HF |
| Phase | Not applicable |
| School type | Other independent school |
| Gender | Mixed |
| Age range | 4–18 |
| Sixth form | Has a sixth form |
| Admissions | Non-selective |
| Religious character | N/A |
| Overall rating | Not yet rated |
| Attainment 8 score | 55.0 |
| Grade 5+ English & Maths | 60.0% |
| Grade 4+ English & Maths | 83.3% |
| Headteacher | Jack Tyson |
| Phone | 02088799200 |
| Website | www.hsw.co.uk |
| Crime level | Low crime area |