| Type | Academy converter |
| Phase | Secondary |
| Gender | Mixed |
| Age Range | 11 - 18 |
| Headteacher | Mr Nigel Walker |
| Address |
Hurst Road Sidcup DA15 9AG |
| Religious Character | Does not apply |
| Website | http://www.csgrammar.com/ |
| Telephone | 2083026511 |
| Number of pupils | 1,440 |
| Inspection | Good |
| GCSE national ranking | Top 2% |
| A-Level national ranking | Top 11% |
| Local authority | Bexley |
| Region | London |
| URN | 137423 |
| View this school information in GOV.UK website | |