KCSE 2022-2023 Western Region Ranking of Best, Top 300 Schools (Ultimate List)
| Position Nationally | Name of School | Region | County | Mean Score | Mean Grade |
| 13 | Mudasa Academy | WESTERN | Vihiga | 10.3 | B+{plus} |
| 50 | Butula Boys | WESTERN | Busia | 9.287 | B{plain} |
| 54 | ST.MARKS CHERANG’ANI | WESTERN | Tranz Nzoia | 9.2517 | B{plain} |
| 55 | Friends School Kakamega | WESTERN | Kakamega | 9.2473 | B{plain} |
| 80 | Kibabii Boys High | WESTERN | Bungoma | 8.93 | B{plain} |
| 95 | BUTERE GIRLS | WESTERN | Kakamega | 8.727 | B{plain} |
| 99 | LUGULU GIRLS | WESTERN | Bungoma | 8.655 | B{plain} |
| 130 | BUSIADA GIRLS | WESTERN | Busia | 8.247 | B-{minus) |
| 133 | KAKAMEGA SCHOOL | WESTERN | Kakamega | 8.228 | B-{minus) |
| 166 | Chavakali High | WESTERN | Vihiga | 7.912 | B-{minus) |
| 207 | KOLANYA BOYS | WESTERN | Busia | 7.3806 | C+{plus} |
| 208 | SA KOLANYA BOYS HIGH | WESTERN | Bungoma | 7.38 | C+{plus} |
| 212 | KOLANYA GIRLS | WESTERN | Busia | 7.3247 | C+{plus} |
| 213 | BUKHALALIRE | WESTERN | Busia | 7.3125 | C+{plus} |
| 227 | SIGALAME BOYS | WESTERN | Busia | 7.192 | C+{plus} |
| 228 | ST ANNES BUNYALA | WESTERN | Busia | 7.1915 | C+{plus} |
| 229 | Chesamisi High | WESTERN | Bungoma | 7.186 | C+{plus} |
| 239 | TEREMI HIGH SCHOOL | WESTERN | Bungoma | 7.09 | C+{plus} |
| 259 | NANGINA GIRLS | WESTERN | Busia | 6.5054 | C+{plus} |
| 273 | MUNDIKA BOYS | WESTERN | Busia | 6.208 | C (plain) |
| 278 | KWHILARE | WESTERN | Busia | 6.087 | C (plain) |
| 283 | BUKULUNYA SECONDARY | WESTERN | Vihiga | 6 | C (plain) |
| 284 | ST MONICA CHAKOL | WESTERN | Busia | 5.927 | C (plain) |
| 287 | ST JOSEPH KOCHOLIA | WESTERN | Busia | 5.86 | C (plain) |
| 291 | BUDALANGI SECONDARY | WESTERN | Busia | 5.72 | C (plain) |
| 295 | Malava Boys | WESTERN | Kakamega | 5.66 | C (plain) |
| 296 | ST MARY’S AMUKURA | WESTERN | Busia | 5.635 | C (plain) |