The class was great behaved when the substitute was here
The classes' scholastic results far outshine their sports achievements this year.
One way to use "class's" in a sentence is: "The class's project was a group effort that received high praise from the teacher." Here, "class's" is used to indicate possession or belonging to the class.
The term class interval is used in statistics.
working class hero's is a band.
This class will benefit me greatly.
He is giving the lecture in a class
There is rich, middle class, and poor. I, myself, am middle class.
Example sentence - My favorite college class is zoology.
Please use First-Class postage on letters.
You Should Cooperate In Class Everyday.
I was hieing to get to class on time when I tripped.
Your new class is in that building over there.
I have to memorize this poem for tomorrow's class!