2022/2023 KCSE top, best schools in Kisii County; Official list
| Pos Nationally | Name of School | Mean Score | Region | County | Mean Grade |
| 2 | CARDINAL OTUNGA | 10.76 | NYANZA | Kisii | A-{minus} |
| 14 | ST. PAULS IGONGA | 10.24 | NYANZA | Kisii | B+{plus} |
| 15 | Igonga DOK Secondary | 10.24 | NYANZA | Kisii | B+{plus} |
| 51 | MOBAMBA HIGH | 9.284 | NYANZA | Kisii | B{plain} |
| 58 | Kiage Tumaini High | 9.23 | NYANZA | Kisii | B{plain} |
| 66 | KISII SCHOOL | 9.12 | NYANZA | Kisii | B{plain} |
| 84 | Moteiribe Secondary | 8.859 | NYANZA | Kisii | B{plain} |
| 87 | Nyamagwa girls | 8.823 | NYANZA | Kisii | B{plain} |
| 100 | NYABURURU GIRLS | 8.631 | NYANZA | Kisii | B{plain} |
| 101 | NYAKOIBA HIGH | 8.6 | NYANZA | Kisii | B{plain} |
| 124 | BOGICHONCHO PAG | 8.275 | NYANZA | Kisii | B-{minus) |
| 147 | SAMETA HIGH | 8.0637 | NYANZA | Kisii | B-{minus) |
| 148 | NYABISASE MIXED | 8.025 | NYANZA | Kisii | B-{minus) |
| 149 | AMASEGE SDA | 8.023 | NYANZA | Kisii | B-{minus) |
| 150 | AMABUKO SEC | 8.011 | NYANZA | Kisii | B-{minus) |
| 165 | Riokindo Boys | 7.83 | NYANZA | Kisii | B-{minus) |
| 171 | Maroo Esinde | 7.795 | NYANZA | Kisii | B-{minus) |
| 181 | Omwari Secondary | 7.647 | NYANZA | Kisii | B-{minus) |
| 190 | Moi Gesusu | 7.49 | NYANZA | Kisii | C+{plus} |
| 194 | Mokubo Secondary | 7.46 | NYANZA | Kisii | C+{plus} |
| 205 | Kereri Girls High | 7.312 | NYANZA | Kisii | C+{plus} |
| 207 | Riooga Secondary | 7.3 | NYANZA | Kisii | C+{plus} |
| 211 | Itierio Girls | 7.28 | NYANZA | Kisii | C+{plus} |
| 229 | Ibacho High | 7.053 | NYANZA | Kisii | C+{plus} |
| 231 | Nyamagwa Boys | 7.0269 | NYANZA | Kisii | C+{plus} |
| 234 | Ichuni girls | 7 | NYANZA | Kisii | C+{plus} |
| 261 | Nyabigena Boys | 5.88502 | NYANZA | Kisii | FALSE |