Western Region 2023 KCSE Top, Best, Top 100 Candidates; Ultimate List
| Position Nationally | Student Name | School Name | Region | County | Aggregate Points | Mean Grade |
| 28 | Odhiambo Mickey Akoth | Butere Girls | Western | Kakamega | 84 | A (Plain) |
| 29 | Ochieng Teresa Ariro | Butere Girls | Western | Kakamega | 84 | A (Plain) |
| 30 | Kituyi Lucky Mueni | Butere Girls | Western | Kakamega | 84 | A (Plain) |
| 31 | Karungani Esther Michelle | Butere Girls | Western | Kakamega | 84 | A (Plain) |
| 32 | Karungani Esther Michelle | Butere Girls | Western | Kakamega | 84 | A (Plain) |
| 33 | Arungani Esther Michelle | Butere Girls | Western | Kakamega | 84 | A (Plain) |
| 34 | Arum Beryl Akinyi | Butere Girls | Western | Kakamega | 84 | A (Plain) |
| 218 | Obeno Akinyi Mehin | Kolanya Girls | Western | Bungoma | 81 | A(Plain) |
| 219 | Maneno Nekesa Rabecca | Kolanya Girls | Western | Bungoma | 81 | A(Plain) |
| 237 | Tukuni [hud Baraka | Butula Boys High | Western | Busia | 81 | A(Plain) |
| 238 | MakurTunchMatoch | Butula Boys High | Western | Busia | 81 | A(Plain) |
| 239 | Kimanthi Bnan Kikwatha | Butula Boys High | Western | Busia | 81 | A(Plain) |
| 240 | Sherime JepkemoiYator | Butere Girls | Western | Kakamega | 81 | A(Plain) |
| 241 | Okuku Petronila Achieng | Butere Girls | Western | Kakamega | 81 | A(Plain) |
| 242 | Matara Deborah Naomi | Butere Giris | Western | Kakamega | 81 | A(Plain) |
| 257 | Legend Ambani | Nyang’ori High School | Western | Vihiga | 80 | A-(Minus) |
| 279 | Rachel Nasimiyu | Bunyore Girls | Western | Vihiga | 80 | A-(Minus) |
| 301 | Jepkirui Heredion | Lugulu Girls | Western | Bungoma | 79 | A-(Minus) |
