| Type | Free schools |
| Phase | Primary |
| Gender | Mixed |
| Age Range | 4 - 11 |
| Headteacher | Miss Anna Pyatt |
| Address |
32 Clarendon Road Watford WD17 1JJ |
| Religious Character | Church of England/Christian |
| Website | https://watfordstjohns.org |
| Telephone | 1923255017 |
| Number of pupils | 293 |
| Inspection | Good |
| Local authority | Hertfordshire |
| Region | East of England |
| URN | 142221 |
| View this school information in GOV.UK website | |