她是北边小学的校长。

She is the ___principal of Northside Elementary School.

学校董事会为高中聘请了一位新校长。

The school board has hired a new ___principal for the high school.

他说我的学校校长那天想见我，而且很紧急。

He said that my school ___principal would like to see me that day and it was urgent.