Nyamira County Best Performing Schools at 2022/2023 Exams
| Position Nationally | Name of School | Region | County | Mean Score | Mean Grade |
| 1 | NYAMBARIA SCHOOL | NYANZA | Nyamira | 10.897 | A-{minus} |
| 12 | GONZAGA GONZA | NYANZA | Nyamira | 10.3 | B+{plus} |
| 39 | Nyakongo boys | NYANZA | Nyamira | 9.54 | B+{plus} |
| 68 | MWONGORI HIGH | NYANZA | Nyamira | 9.119 | B{plain} |
| 69 | KUURA SEC | NYANZA | Nyamira | 9.11 | B{plain} |
| 73 | St Pauls Gekano Boys | NYANZA | Nyamira | 9.0634 | B{plain} |
| 74 | NYANSIONGO HIGH | NYANZA | Nyamira | 9.053 | B{plain} |
| 77 | RIGOKO ELCK | NYANZA | Nyamira | 9 | B{plain} |
| 84 | MENYENYA SDA | NYANZA | Nyamira | 8.871 | B{plain} |
| 87 | KEBIRIGO BOYS | NYANZA | Nyamira | 8.842 | B{plain} |
| 101 | NYAIKURO MIXED SEC | NYANZA | Nyamira | 8.71 | B{plain} |
| 105 | St Andrew Kaggwa Girls High | NYANZA | Nyamira | 8.648 | B{plain} |
| 116 | Kianungu Mixed | NYANZA | Nyamira | 8.5 | B{plain} |
| 119 | MANGA GIRLS | NYANZA | Nyamira | 8.4 | B-{minus) |
| 127 | NYAKEMINCHA SEC | NYANZA | Nyamira | 8.35 | B-{minus) |
| 130 | NYANSABAKWA BOYS | NYANZA | Nyamira | 8.316 | B-{minus) |
| 143 | MATUTU PAG SEC | NYANZA | Nyamira | 8.2 | B-{minus) |
| 149 | KIABONYORU HIGH | NYANZA | Nyamira | 8.17 | B-{minus) |
| 158 | NYACHURURU SEC | NYANZA | Nyamira | 8.08 | B-{minus) |
| 160 | KEBABE GIRLS | NYANZA | Nyamira | 8.07 | B-{minus) |
| 169 | Gekano Girls | NYANZA | Nyamira | 7.972 | B-{minus) |
| 180 | Matongo Boys | NYANZA | Nyamira | 7.86 | B-{minus) |
| 187 | Nyamira Boys | NYANZA | Nyamira | 7.806 | B-{minus) |
| 196 | ST JOSEPHS BIEGO SECONDARY | NYANZA | Nyamira | 7.7647 | B-{minus) |
| 202 | Gesiaga High | NYANZA | Nyamira | 7.6954 | B-{minus) |
| 203 | Sironga Girls | NYANZA | Nyamira | 7.69 | B-{minus) |
| 207 | Nyamiranga SDA | NYANZA | Nyamira | 7.6125 | B-{minus) |
| 233 | GEKONGE SECONDARY | NYANZA | Nyamira | 7.35 | C+{plus} |
| 238 | Nyakeore Mixed | NYANZA | Nyamira | 7.302 | C+{plus} |
| 241 | Riyabe Secondary | NYANZA | Nyamira | 7.291 | C+{plus} |
| 253 | Kiabonyoru Girls | NYANZA | Nyamira | 7.1982 | C+{plus} |
| 262 | AIC Gietai Girls | NYANZA | Nyamira | 7.13 | C+{plus} |
| 271 | St Mathias Mulumba Girls | NYANZA | Nyamira | 7.078 | C+{plus} |
| 320 | Sengera Manga | NYANZA | Nyamira | 6.3736 | C (plain) |
| 347 | Makairo Secondary | NYANZA | Nyamira | 6.0615 | C (plain) |