| Type | Other independent school |
| Phase | All through |
| Gender | Mixed |
| Age Range | 3 - 19 |
| Headteacher | Mr Steven Jeffery |
| Address |
Our Lady of Sion School Gratwicke Road Worthing West Sussex BN11 4BL |
| Religious Character | Roman Catholic |
| Website | http://www.sionschool.org.uk |
| Telephone | 1903204063 |
| Number of pupils | 359 |
| Inspection | |
| GCSE national ranking | Top 26% |
| A-Level national ranking | -- |
| Local authority | West Sussex |
| Region | South East |
| URN | 126115 |
| View this school information in GOV.UK website | |