| School Name | Sub-County | School Level | |
|---|---|---|---|
| 651 | Wambusa Primary School | Gem Wagai | Primary |
| 652 | Wang' Chieng' | Siaya | Primary |
| 653 | Wang'bith Primary School | Gem Wagai | Primary |
| 654 | Wangarot Primary School | Rarieda | Primary |
| 655 | Wangoji Primary School | Gem Wagai | Primary |
| 656 | Wangotong Primary School | Ugunja | Primary |
| 657 | Wangu Primary School | Gem Wagai | Primary |
| 658 | Warianda Primary School | Bondo | Primary |
| 659 | Waringa Primary School | Bondo | Primary |
| 660 | Wayaga Primary School | Rarieda | Primary |
| 661 | Wera Primary School | Rarieda | Primary |
| 662 | Yala Township | Gem Yala | Primary |
| 663 | Yenga Primary School | Ugenya | Primary |
| 664 | Yieke Primary School | Bondo | Primary |
| 665 | Yogo Primary School | Siaya | Primary |
| 666 | Ywaya Primary School | Ugunja | Primary |
| 667 | Zilper Junior Academy | Bondo | Primary |
| Primary Schools in Siaya County |
| List of Public Primary Schools in Siaya |
| List of Private Primary Schools in Siaya |
| Junior Secondary Schools (JSS) in Siaya County |
| List of Public JSS Schools in Siaya |
| List of Private JSS Schools in Siaya |
| High Schools in Siaya County |
| List of Public High Schools in Siaya |
| List of Private High Schools in Siaya |