Home › Illinois › Sangamon County › Williamsville CUSD 15
Williamsville CUSD 15 Schools
Williamsville CUSD 15 is a public school district in Illinois, based in Sangamon County (Williamsville). SchoolGrade grades 3 of its schools on actual versus projected test scores; every school below has its own page.
Williamsville CUSD 15 on the map
District boundary from the NCES EDGE composite school district file. Each marker is a graded school; click it for its grade and scores.
SchoolGrade summary for Williamsville CUSD 15
3 of 3 schools in Williamsville CUSD 15 carry a SchoolGrade. Grade distribution:
B: 1C: 2
Best schools in Williamsville CUSD 15
Statewide rankings: all 688 high schools in Illinois · all 591 middle schools in Illinois · all 2094 elementary schools in Illinois
The ten highest SchoolGrades in the district. Grades reward actual test performance against the projection for each school's student context, so a B in a high-poverty school can outrank an A- elsewhere on impact.
- B+ Sherman Elem School (Elementary school, meets expectations)
- C+ Williamsville JR High School (Middle school, underperforms expectations)
- C- Williamsville High School (High school, underperforms expectations)
Every school in Williamsville CUSD 15
High schools (1)
- C- Williamsville High School, Williamsville
Middle and junior high schools (1)
- C+ Williamsville JR High School, Williamsville
Elementary and primary schools (1)
- B+ Sherman Elem School, Sherman
Where Williamsville CUSD 15 schools are
Cities and towns served (2)
- Williamsville (2)
- Sherman (1)
About this district
- State: Best schools in Illinois
- County: Sangamon County
- Type: regular local school district
- Setting: midsize suburb (NCES locale of the district office)
- Enrollment: 1,453 students with 99 full-time-equivalent teachers and 130 total staff FTE (NCES CCD, 2023-24)
- NCES district ID: 1742480
- Grades are the 2025-26 SchoolGrade model: each school's actual proficiency against the level projected for its student context. How SchoolGrade works
Nearby school districts
- Riverton CUSD 14 (3 schools, 5 mi)
- Athens CUSD 213 (4 schools, 7 mi)
- Tri City CUSD 1 (3 schools, 9 mi)
- Springfield SD 186 (31 schools, 10 mi)
- Rochester CUSD 3A (5 schools, 13 mi)
- Ball Chatham CUSD 5 (6 schools, 18 mi)
- Pleasant Plains CUSD 8 (3 schools, 18 mi)
- Porta CUSD 202 (3 schools, 19 mi)
Questions about Williamsville CUSD 15
How many schools are in Williamsville CUSD 15?
SchoolGrade grades 3 public schools in Williamsville CUSD 15, across 2 cities and towns. Every one of them is listed on this page with a link to its own report.
Which cities does Williamsville CUSD 15 serve?
The largest by graded schools: Williamsville, Sherman.
How good are the schools in Williamsville CUSD 15?
Across the 3 graded schools, the average SchoolGrade is C+, with 39.3% of tested students meeting the state bar against a projected 47.3%. 33% of schools meet or exceed the expectation for their student context.
How many students attend Williamsville CUSD 15?
1,453 students were enrolled in Williamsville CUSD 15 in the 2023-24 school year, about 14.7 students per full-time teacher (NCES Common Core of Data).
Where is Williamsville CUSD 15?
Williamsville CUSD 15 is in Illinois, based in Sangamon County, with its district office in Williamsville. Its boundary covers about 69.8 sq mi.