How to Calculate High School Gpa?

To figure your cumulative GPA for high school, you need to translate every letter grade into a number – an A = 4.0, B = 3.0, C = 2.0, D = 1.0, F = 0.0. Add them up and divide by the number of classes. Check with your score to see if all subjects are included and how + and – grades are handled.