The KCSE grading system for overall score and per subject is as follows is as follows:
KCSE total Grading structure
- A (plain): 80 - 100
- A- (minus): 75 - 79.99
- B+ (plus): 70 - 74.99
- B (plain): 65 - 69.99
- B- (minus): 60 - 64.99
- C+ (plus): 55 - 59.99
- C (plain): 50 - 54.99
- C- (minus): 45 - 49.99
- D+ (plus): 40 - 44.99
- D (plain): 35 - 39.99
- D- (minus): 30 - 34.99
- E: - 29.99
KCSE Subject Grading structure
- A (plain): 12 points
- A- (minus): 11 points
- B+ (plain): 10 points
- B (plain): 9 points
- B- (minus): 8 points
- C+ (plus): 7 points
- C (plain): 6 points
- C-(minus): 5 points
- D+(plus): 4 points
- D (plain): 3 points
- D-(minus): 2 points
- E: 1 point