How do You Calculate High School Gpa?

A high school GPA is calculated on a 4.00 scale computed to two decimal places rounded to the nearest hundredth.Normal class A=4 B=3 C=2 D=1 F=0, Honors A=5 B=4 C=3 D=1 F=0 add all then divide the total by the number of classes. 3.8 is a fabulous score.