Overall, a 3.5 GPA is above the average of 3.38. It equates to about an A- average, but is slightly lower (3.67 is an A-). It’s not the best GPA, and it doesn’t make you competitive for the very best schools, but it’s still above average, and you should still be competitive for many schools.
Yes, a 3.5 is well above the the average U.S. high school GPA of 3.0 and demonstrates that you are a serious A level student, well prepared for many top colleges and universities.
A 3.5 GPA, or Grade Point Average, is equivalent to a B+ letter grade on a 4.0 GPA scale, and a percentage grade of 87–89.