"校长"在英语中翻译为"headmaster"或"headmistress"。其中，"headmaster"是男性校长的说法，"headmistress"则是女性校长的说法。
来源：
"Headmaster"和"headmistress"都来自英语中的"head"，意为"首领"或"主管"，和"master/mistress"，意为"主人"或"老师"。
一些英文例句及其中文翻译：
The headmaster of the school is a very respected person.
校长是一个很受尊敬的人。
The headmistress announced that the school will be closed for the week.
校长宣布学校将在一周内关闭。
He was appointed as the headmaster of the school last year.
他去年被任命为校长。