Pro- means better or good.
Con- means bad.
Pros
A. Yes, because good grades are important.
B. The better grades, the more easily you can receive a scholarship to play.
C. Having good grades can lessen your stress about affording college.
Cons
A. Not everyone is smart to have a good grades.
B. Grades with C- and down are not eligible to play sports and join clubs.
C. Since not everyone is smart, the chance of being accepted to participate in sports and clubs is low.
HOPE THIS HELPS AND RIGHT! :))