French phrase
Je suis en classe de ~.
Meaning
I am in ___ grade.
When to use it
States a student's school grade or class level. It is common when children introduce themselves.
Example dialogue
Comment tu t'appelles ? Tu es en quelle classe ?
What is your name? What grade are you in?
Je m'appelle Emma. Je suis en classe de CM1.
My name is Emma. I am in fourth grade.