| Type | Academy converter |
| Phase | Secondary |
| Gender | Girls |
| Age Range | 11 - 18 |
| Headteacher | Miss Sylvia Tai |
| Address |
Lady's Close Watford WD18 0AE |
| Religious Character | Church of England |
| Website | http://www.watfordgrammarschoolforgirls.org.uk/ |
| Telephone | 1923223403 |
| Number of pupils | 1,432 |
| Inspection | Outstanding |
| GCSE national ranking | Top 3% |
| A-Level national ranking | Top 14% |
| Local authority | Hertfordshire |
| Region | East of England |
| URN | 136289 |
| View this school information in GOV.UK website | |