One unbreakable rule in our school is that no child can be tested without written parental permission.

我们学校必须遵守的规定是：没有家长的书面允许不能给孩子做测试。

《柯林斯英汉双解大词典》

My school has a rule called the Honor Code.

我的学校有一条规则叫做荣誉守则。

youdao

It is the rule of our school that the student who is on duty should clear up the classroom.

当值的学生应该打扫教室，这是我们学校的校规。

youdao

Pretty fraternity-run. Frats and sororities and Greek club, they pretty much rule the school.

学校有些像是兄弟会运营的。兄弟会、联谊会和希腊俱乐部，它们很大程度上管着学校。

加州的大学 - SpeakingMax英语口语达人

The company says that in California, where the rule change for high-school players went into effect last year, there was a meaningful boost to sales.

WSJ: HEARD ON THE STREET: Dick's Steps Into the Batter's Box

The powers-that-be in Texas high school baseball made one rule change: no longer do games have to go a minimum of five innings, depending on the score.

FORBES: 53-0: A high school baseball score, a lesson in rich and poor

Oddly, the court declined to rule on a lower-court decision allowing the same school to hold student-led prayers at graduation ceremonies.

ECONOMIST: The Supreme Court