Where are we?
We are at school.
We are having class / a lesson.
Those are the school children.
That is the teacher.
That is the class.
What are we doing?
We are learning.
We are learning a language.
I learn English.
You learn Spanish.
He learns German.
We learn French.
You all learn Italian.
They [bad word] 
Learning languages is interesting.
We want to understand people.
We want to speak with people.