* Une classe: This is the most general term and refers to a group of students who are taught together, like a class in school.
* Un groupe d'élèves: This is a more general term for any group of students, whether they are in a class or not.
* Une promotion: This refers to a group of students who are in the same year of study, like a graduating class.
* Une équipe: This is used for a group of students working together on a project or activity.
The best term to use will depend on the specific situation.