College Grading Scale 2024. What is the percentage grading scale? In the united states, the academic grading scale uses a system of letter grades (a+, a, a−, b+, b, etc.) or numeric grades (percentage scales or 4.0 scales) to assess students' performance.

The number of credit hours attempted in a semester or summer session (for which regular grades are received) is divided into the total number of. Additionally, some educational institutions may use numerical grades.