Looking on the internet deeply has found these results:

out-of-classroom is the most popular phrase on the web.

our-of-the-classroom 1401,000 results on the web	out-of-classroom 1402,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It's just that a party with the people of our classroom is the last place I wanted to be at.	But the kids could learn by getting out of the classroom. I just want you to take the old man in the wheelchair out of this classroom. I need to get something out of this classroom. Middle of the afternoon on Thursday 7th... he suddenly stops speaking and walks out of his classroom. This is definitely a step up from living out of my classroom. Good thing you're out of my classroom. 'Cause Ms. Donnelly came and pulled him out of the classroom. I pulled her out of a classroom, like I pulled you out of a classroom.

our-of-the-classroom

1401,000 results on the web

out-of-classroom

1402,000 results on the web

More popular!

It's just that a party with the people of our classroom is the last place I wanted to be at.

But the kids could learn by getting out of the classroom.
I just want you to take the old man in the wheelchair out of this classroom.
I need to get something out of this classroom.
Middle of the afternoon on Thursday 7th... he suddenly stops speaking and walks out of his classroom.
This is definitely a step up from living out of my classroom.
Good thing you're out of my classroom.
'Cause Ms. Donnelly came and pulled him out of the classroom.
I pulled her out of a classroom, like I pulled you out of a classroom.