in derselben Klasse

in the same class

→ in
phrase Rare #36,152
in the same class Used for people who are in the same school class or course.
GE: Wir sind in derselben Klasse.
EN: We are in the same class.

Tom und ich waren früher in derselben Klasse.

Tom and I used to be in the same class.

Wir waren in derselben Klasse.

We were in the same class.

— Fallen Angels (1995)

Mike und Tom sind in derselben Klasse.

Mike and Tom are in the same class.

Tom und Mary waren in derselben Klasse.

Tom and Mary were in the same class.

Sie und ich sind in derselben Klasse.

You and I are in the same class.