Orero high School managed a mean score of 7.9 in the 2019 Kenya Certificate of Secondary Education, KCSE, examination. The school registered a total of 284 candidates.
220 candidates scored a mean grade of C+(plus) and above, hence, booking direct tickets to university; representing 74.46% of the candidates who sat for the examination. One student scored grade A (plain) while, Candidates who scored mean grade of A- (minus) were 19. Others scored B+ (35), B (47), B- (60) and C+ (58 candidates).
Here is the school’s 2019 KCSE Mean Grade Summary;
| MEAN GRADE | NUMBER OF CANDIDATES |
| A | 1 |
| A- | 19 |
| B+ | 35 |
| B | 47 |
| B- | 60 |
| C+ | 58 |
| C | 50 |
| C- | 10 |
| D+ | 4 |
| D | 0 |
| D- | 0 |
| E | 0 |
| x | 0 |
| TOTAL | 284 |