Who's your form teacher?

你们年级的老师是谁？

《牛津词典》

Who is your form teacher?

你的级任老师是谁？

youdao

Our form teacher sadly announced that you had got cancer.

我们年级的老师宣布你得了癌症。

youdao

In Newark, Mr. Christie helped usher in a form of teacher merit pay by shepherding contract talks between his hand-picked superintendent, Cami Anderson, and the Newark Teachers Union.

WSJ: Options Open on Camden

Two sixth form students and a teacher from the Isle of Man have returned from a two-week educational trip to Nasa in Houston, Texas.

BBC: Isle of Man students plan Nasa Mars mission

If anything, parents and administrators clamor for reduced productivity per teacher, in the form of smaller class sizes.

FORBES: Defining Performance In Disruptive Innovation