School record
- URN
- 126115
- Status
- Open
- Establishment type
- Other independent school
- Type group
- Independent schools
- Phase
- Not applicable
- Age range
- 3–19
- Gender
- Mixed
- Religious character
- None
- Capacity
- 505
- Pupils
- 244
- Local authority
- West Sussex
- Region
- South East
- UKPRN
- 10008676
- Opened
- Not supplied
- Closed
- Not supplied
- Last inspection
- Not supplied
- Phone
- 01903204063
- Website
- http://www.sionschool.org.uk