同学群用英语怎么说?

"Classmate group" in English can be referred to as "classmates group" or "class group".

This phrase comes from the noun "classmate" which refers to a person who is in the same class as you at school or college, and the noun "group" which refers to a collection of people who come together for a common purpose.

Here are a few examples of how the phrase can be used in sentences:

"I am in a classmates group on WhatsApp where we discuss our assignments."
"I have a class group on WeChat where we communicate about our class schedule."
"I joined a class group on Facebook for our upcoming project."

In these sentences, "classmates group" or "class group" refer to a group of people who are in the same class and use a specific platform (WhatsApp, WeChat, Facebook) to communicate and collaborate.