2023 KCSE top, best schools in Kisumu County; Official list
| Pos Nationally | Name of School | Mean Score | Region | County | Mean Grade |
| 19 | Kisumu Day Secondary | 10.074 | NYANZA | kisumu | B+{plus} |
| 31 | MASENO SCHOOL | 9.663 | NYANZA | Kisumu | B+{plus} |
| 52 | Sigoti Complex | 9.27 | NYANZA | Kisumu | B{plain} |
| 71 | ST PETERS ABWAO SECONDARY | 9.1 | NYANZA | kisumu | B{plain} |
| 97 | Chemelil Sugar Academy | 8.69 | NYANZA | Kisumu | B{plain} |
| 109 | Kisumu Girls | 8.47 | NYANZA | Kisumu | B-{minus) |
| 119 | Koru Girls | 8.3465 | NYANZA | kisumu | B-{minus) |
| 122 | Bishop Abiero | 8.3 | NYANZA | Kisumu | B-{minus) |
| 157 | St Bernabas Kombewa | 7.93 | NYANZA | Kisumu | B-{minus) |
| 166 | Onjiko Boys | 7.82 | NYANZA | Kisumu | B-{minus) |
| 167 | NYANG’ORI HIGH | 7.8143 | NYANZA | kisumu | B-{minus) |
| 170 | Ridore Mixed | 7.8 | NYANZA | Kisumu | B-{minus) |
| 172 | SINYOLO GIRLS | 7.7753 | NYANZA | kisumu | B-{minus) |
| 176 | Magwar Model | 7.76 | NYANZA | Kisumu | B-{minus) |
| 187 | ACK Rae Girls | 7.5 | NYANZA | kisumu | B-{minus) |
| 197 | RAE GIRLS | 7.4 | NYANZA | KISUMU | C+{plus} |
| 212 | NYABONDO BOYS | 7.26 | NYANZA | Kisumu | C+{plus} |
| 214 | AHERO GIRLS | 7.2 | NYANZA | Kisumu | C+{plus} |
| 239 | MAGUNGA SECONDARY | 6.73 | NYANZA | KISUMU | C+{plus} |
