Williamsville High School
| Name | Williamsville High School |
| Grades | Class 09 to Class 12 |
| Address | 900 S Walnut St |
| City | Williamsville |
| School District | Williamsville CUSD 15 |
| County | Sangamon County |
| Zipcode | 62693-9712 |
| Phone No. | (217)566-3361 |
| State | Illinois |
| Rural | Fringe |
| Students | 476 |
| Teachers | 0 |
| Student Teacher Ratio | 0 students per teacher |
| Charter School | No |
| Magnet School | N/A |
Williamsville High School is located at 900 S Walnut St in Williamsville city of Sangamon County county in Illinois. This school comes under Williamsville CUSD 15. You can call them at (217)566-3361 for more details. This is not a magnet school. Total four hundred seventy six students from class 09 to class 12 study in this school who are taught by teachers. This is not a charter school. The student teacher ratio of this school is 0.