suspension from school
Refers to a temporary disciplinary removal from school, not permanent expulsion (which is 退学).
彼は喧嘩で停学になった。
He was suspended from school for fighting.
停学処分を受けた生徒は反省文を書かされた。
The student who received a suspension had to write a letter of apology.
He got suspended from school for fighting.
The school suspended him for one week.
He was suspended for cheating on a test.