| Address | 66 Sai Yu Street (excluding Rooms 014 & 015) Yuen Long New Territories |
| School Type | Secondary |
| District | Yuen Long District |
| Sex | Mixed-sex |
| Privatemode | Aided |
| Religion | Catholicism |
| Datemode | Whole Day |
| Phone | 24755491 |
| Fax | 24747318 |
| Website | http://www.cys.edu.hk |