The functions of the Board include:

1. the management and control of all post-primary schools and institutions being State schools within the meaning of the Education Law;
2. appointments, promotions, postings and transfers of all cadres in the post-primary schools and institutions including Principals and Vice-Principals of schools and institutions;
3. appointments, promotions, postings and transfers of other staff of the Board;
4. the establishment of the conditions of service for the post-primary schools system, subject to approval by the Commissioner;
5. payment of personal emoluments to all staff of the Post-Primary Schools Management Board;
6. staff development matters including approval for study leave with pay and special leave;
7. overall disciplinary control of the staff of the Board and post-primary schools and institutions;
8. appointment and promotions of principals and vice principals of post primary schools and institutions where the financial implications have been cleared and approved by the governor.
9. posting and transfers of principals and vice principals in post primary schools.
10. inter-zonal transfers and posting of all staff of the board.
11. preparation, collection and recommendation to the Commissioner of the budget of the board.
12. Award of contracts within the existing state Tenders Board regulations.
13. Deligation to any post primary Zonal office such functions as the Board may deem fit, provided that the Board may resume at anytime exercise of any functions so deligated.
14. Placements of first year students and transfer of students in post primary schools and institutions owned by the government, subjects to regulations laid down by the ministry.
15. Responsibility for the collection and rendering of accounts of all approved revenue in post primary schools in the state.
16. Periodic and regular supervision of all post primary schools in the state.
17. Responsibility for confirmation of appointments, conversion, upgrading and reinstatement matters.