Corey Roberts admits that sometimes it seemed like taking classes over summer break for the last three years wasn’t worth the effort.“In the summer, everybody else is doing other things like going to the mall and hanging with their friends,” Roberts said. “And I’m at school for eight hours, and I’m not doing anything. I’m just learning.”But after graduating Wednesday morning from Gainesville State College’s Summer Scholars Institute, Roberts, a rising 10th-grader at Johnson High School, said she realized her time was better spent in class.“At first it seemed like it wasn’t worth it, but it is.