Tharaka Nithi County forms a part of the 22 Counties’ list which failed to produce a candidate in the top 100 best candidates, nationally. The best candidate in the County scored 426 marks out of 500.
Here are the Tharaka Nithi County top candidates and their schools in the 2019 KCPE exams:
| INDEXNO | NAME | GE | ENG | KIS | KSL | MAT | SCI | SSR | TOT | School_code | School_Name |
| 19342147035 | MWITI IAN MWANDIKI | M | 88A | 95A | = = | 85A | 76A- | 82A | 426 | 19342147 | GATUNGA JUNIOR ACADEMY |
| 19326255006 | KITONGA MAYANAI ISAAC | M | 84A | 92A | = = | 81A | 80A | 86A | 423 | 19326255 | P C E A MWIMBI BOARDING |
| 19326137008 | MWANDIKI EVANS MWENDA | M | 92A | 82A | = = | 83A | 80A | 83A | 420 | 19326137 | MURAGA GIRLS BOARDING |
| 19326250050 | MAGHANGA MARTIN KAZUNGU | M | 85A | 91A | = = | 85A | 74B+ | 84A | 419 | 19326250 | CHOGORIA BOYS |
| 19326261008 | KINYUA PATIENCE GAKII | F | 84A | 89A | = = | 82A | 80A | 83A | 418 | 19326261 | CHOGORIA COMPLEX |
| 19326255011 | ANYANGO AWINO NELLY PAULA | F | 88A | 92A | = = | 83A | 74B+ | 81A | 418 | 19326255 | P C E A MWIMBI BOARDING |
| 19326216001 | MUTURI MITCHELLE WAKONYO | F | 82A | 92A | = = | 83A | 77A- | 84A | 418 | 19326216 | CHOGORIA GIRLS |