How do you say in French I enjoyed our class?

There are a few ways to say "I enjoyed our class" in French, depending on the level of formality and the context:

Formal:

* J'ai beaucoup apprécié notre cours. (This is the most formal option.)

* J'ai trouvé notre cours très intéressant. (This is a bit more specific and implies that you found the content interesting.)

Informal:

* J'ai aimé notre cours. (This is a more casual and direct way of saying it.)

* Le cours m'a plu. (This is a more idiomatic way to say it, and it means "the class pleased me.")

Other options:

* J'ai passé un bon moment en cours. (This translates to "I had a good time in class" and is more casual.)

The best option for you will depend on your relationship with the person you are talking to and the overall tone of the conversation.