Chinga Boys High School managed a mean score of 7.389 (C+ plus) in the 2019 Kenya Certificate of Secondary Education, KCSE, examination; up from 7.085 in 2018. This was an improvement of +0.3034. The school registered a total of 211 candidates.
133 candidates scored a mean grade of C+(plus) and above, hence, booking direct tickets to university; representing 63.03% of the candidates who sat for the examination.Candidates who scored mean grade of A- (minus) were . Others scored B+ (), B (), B- () and C+ ( candidates).
Here is the school’s 2019 KCSE Mean Grade Summary;
| MEAN GRADE | NUMBER OF CANDIDATES |
| A | 0 |
| A- | 12 |
| B+ | 23 |
| B | 33 |
| B- | 26 |
| C+ | 39 |
| C | 42 |
| C- | 26 |
| D+ | 8 |
| D | 1 |
| D- | 1 |
| E | 0 |
| x | 0 |
| TOTAL | 211 |