| Type | Academy converter |
| Phase | Secondary |
| Gender | Mixed |
| Age Range | 11 - 18 |
| Headteacher | Miss Elaine Heaphy |
| Address |
Tripton Road Harlow CM18 6AA |
| Religious Character | Roman Catholic |
| Website | http://www.st-marks.essex.sch.uk/ |
| Telephone | 1279421267 |
| Number of pupils | 1,072 |
| Inspection | Good |
| GCSE national ranking | Top 33% |
| A-Level national ranking | -- |
| Local authority | Essex |
| Region | East of England |
| URN | 137058 |
| View this school information in GOV.UK website | |