The headteacher threatened the three girls with expulsion.

校长以开除来威胁这三名女学生。

《牛津词典》

Susan, the headteacher, invited students to share their ideas about how to rebuild the school．

校长苏珊邀请学生们分享他们关于如何重建学校的想法。

youdao

I know a number of parents have rung the headteacher about what has happened but I would appeal for everyone to be calm,.

我知道很多家长都打电话给校长询问发生了什么事，但我呼吁大家保持冷静。

youdao

Selected as a result of the problems threatening the area, the institute first held a meeting between the FESSJ and the headteacher of the institute.

UNESCO: Integral School Literacy Programme

The British Humanist Association (BHA) says it has written to the headteacher, Jennifer Bexon-Smith, to express concerns that the proposals might constitute discrimination under the Equality Act.

BBC: Tudor Grange Academy admissions proposals cause concern

The headteacher runs the school and what is clear about a school is that the headteacher has the power and the authority and the freedom to run that school.

BBC: News Online