| Borough | Westminster |
| Postcode | SW1H 9LH |
| Phase | 16 plus |
| School type | Free schools 16 to 19 |
| Gender | Mixed |
| Age range | 16–19 |
| Sixth form | Has a sixth form |
| Admissions | N/A |
| Religious character | N/A |
| Overall rating | Not yet rated |
| Principal | Claire Scott |
| Phone | 02037724555 |
| Website | http://www.harriswestminstersixthform.org.uk/ |
| Pupil deprivation | Very low pupil deprivation |
| Crime level | High crime area |