More Plural and Possessive use of Apostrophes

Board notes from discussion

(singular possessive)
The student’s notebook was at home..

(plural)
The students all arrived in the morning.

(plural AND possesive)
The students’ production of Legally Blonde sold out.


*EXCEPTION: its, it's

(possessive)
The cat licked its tail.

(contraction it is)
It’s going to be a great day.