vice principal

noun
1
a senior person at a college or (in Scotland and Canada) a university, below the principal(= the person who is in charge) in rank
معاون مدیر
2
a senior teacher at a school, below the principal(= the person who is in charge) in rank
معاون مدرسه, معاون مدیر
She has been appointed as the new vice principal of the local middle school.