Well no it is not needed. But I reccommend it. Earning some extra money will help you with your school loans.
no, it's not really needed for them
No, it's not really needed, or necessary
No, it's not really needed for university students to do so
No, its not.But it depends on which school university you go to.
not really
No
No, you really don't have to because it's not an obligation in any way
Nope
NO, not at all really
No of course not, you don't really have to if you don't want to
No not really
No, it's not really necessary because summer is a break from school