Definition of monumental. 1  1 : serving as or resembling a monument : massive monumental sculptures; also : highly significant : outstanding a monumental painting that stunned the American public. 2  2 : of or relating to a monument modern monumental architecture. 3  3 : very great a monumental misunderstanding.
The average GPA at USC is 3.73. (Most schools use a weighted GPA out of 4.0, though some report an unweighted GPA. With a GPA of 3.73, USC requires you to be above average in your high school class. You'll need at least a mix of A's and B's, with more A's than B's. You can compensate for a lower GPA with harder classes, like AP or IB classes.
When USC appeared on the scattergram at our high school, the accepted GPA for the year prior to when my son applied, was lower than last year. Last year had a high GPA because there were so many applicants. I suggest that you just put in your applications and wait and see where you are accepted.