How do you say school bell in French?

The most common translation for "school bell" in French is "la sonnette de l'école".

Here's a breakdown:

* La sonnette: The bell (literally meaning "the little sound")

* De l'école: Of the school

You can also use "la cloche de l'école", which translates to "the school bell" using the word "cloche" (bell). Both are acceptable and understood.