head teacher

Từ điển Oxford Advanced Learner 8th

ˌhead ˈteacher [head teacher head teachers] BrE NAmE noun (BrE) (NAmE prin·ci·pal)
a teacher who is in charge of a school
See also: ↑principal

Example Bank:
•The head teacher broke the news to the school at morning assembly.
•We interviewed the head teacher of the local school.