NEW DELHI: Private unaided schools affiliated to the Central Board of Secondary Education (CBSE) will no longer be able to appoint principals or heads on their own as the board has empowered itself to monitor such appointments in schools that fall under its ambit. Also, teachers aspiring to be principals will now have to qualify a Principal Eligibility Test (PET) conducted by the board, a circular issued on Thursday said.According to a CBSE circular issued to all state education directorates, school principals and other stakeholders, it will now be mandatory for schools to include a CBSE nominee and a state government nominee in their selection committees for principals. Further, these committees will have to comprise five or more members instead of the four that were required till now, the new addition being that of the state government nominee. What makes this change significant is that the member with experience in school administration, hitherto nominated by schools' managing committees, will now be nominated by the chairperson of the CBSE.This means that out of the five members on the panel, two will be appointed directly by, or with the approval of, the CBSE.