The following topics/references will be helpful for you to pass the NQESH-Principal Test
1. DECS Manual (very important to have a copy of this)
2. RA 9155 - "Governance of Basic Education Act of 2001"
3. RA 4670 - "Maagna Carta for Public School Teachers"
4. EFA - Education for All
5. BESRA - Basic Education Sector Reform Agenda
6. EMIS/BEIS - Basic Education Information System
7. K to 12
8. Writing Correspondence
10. Grammar and Vocabulary (Identifying Errors etc...)
11. DepEd Order (you may browse website of Deped)
(NQESH (National Qualifying Examination for School Heads