Post 16 application form and Course Guide
Student Post-16 applications for September 2026 are now open!
Dear Student / Parent / Carer
We are delighted that you are considering The Castle School Post 16 Centre for the next stage in your education. The information in the Course Guide should give you a sense of what is on offer and the supporting documents below will provide additional information.
To apply for our Post-16 Centre, you will need to login to Applicaa. Information on this below:
- Applying from The Castle School - Follow this LINK to apply through Applicaa (Your Applicaa login details were emailed to you on Monday 17th November)
- Applying from Marlwood or another school - Follow this LINK to apply through Applicaa (You will need to set up an account in order to login)

If we can be of any help, please don’t hesitate to contact us on 01454 862150 or email cas-sixthform@cset.co.uk.
With very best wishes
Elizabeth Smith
Assistant Headteacher: Head of Post 16


