He was promoted to the position of head teacher.
He has just become a principal.
He dislikes the principal.
He is the principal of the high school.
A new principal is administering the school.
I met the principal himself.
The meeting was held at the principal's office.
The principal called him to account for being absent without an excuse.
The principal shook hands with each of the graduating pupils.
The principal presented each of the graduates with diploma.
The principal assured me of her honesty.
Mr Bush, principal of our school, graduated from Yale.
The principal came in after the teacher.
The students gathered at the call of the principal.
Mr Hunt is principal of our school.
The principal made a rule for the purpose of giving a good school life to the students.
Our principal is accessible to students.
The student was taken to the principal's office, but the principal wasn't there.
He has just become a principal.
The principal of our school is an American.