How you say the students are in classroom?

Here are several ways to say the students are in the classroom, each with slightly different connotations:

* The students are in the classroom. (Simple and straightforward)

* The students are in their classroom. (Implies a specific classroom belonging to them)

* The students are sitting in the classroom. (Specifies their posture)

* The students are currently in the classroom. (Emphasizes the present time)

* The students are located in the classroom. (More formal)

* The class is in session/in the classroom. (Focuses on the class as a whole)

The best option depends on the context.