Reed-Custer High School
Public · Grades 9–12 · 397 students
Wilmington High School
209 Wildcat Ct, Wilmington, IL 60481
Grades
9–12
High
Students
432
Enrolled 2024–25
Students per teacher
14.6 : 1
Full-time teachers
District
Wilmington CUSD 209U
Will County
Schola Grade B · Above average
Letter grade (A–F) · compared with 684 Illinois high schools · How we grade
Percentiles compare this school with other Illinois high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).
About Wilmington High School
Wilmington High School is a public high school in Wilmington, Illinois, serving grades 9–12. It is part of Wilmington CUSD 209U. The school is located in a rural area near a town in Will County.
In the 2024–25 school year, 432 students were enrolled, with about 14.6 students for every full-time teacher. That ratio is larger than the typical Illinois high school (13.3 students per teacher). Its Schola Grade is B (above average), compared with 684 Illinois high schools.
Grades & enrollment
Students per grade, 2024–25Grades 9–12
Location & nearby schools
School details
- Type
- Public School · What this means
- Level
- High
- Grades offered
- 9–12
- Enrollment (2024–25)
- 432 students
- Students per teacher
- 14.6 to 1
- AP courses offered
- 4
- Charter school
- No
- Magnet school
- No
- Locale
- Rural — Fringe
- School district
- Wilmington CUSD 209U
- County
- Will County
- NCES school ID
- 174263004284
Schools near Wilmington High School
All 7 schools in Wilmington →
Coal City High School
Public · Grades 9–12 · 642 students
Minooka Community High School
Public · Grades 9–12 · 2,918 students
Gardner-South Wilmington Twp H S
Public · Grades 9–12 · 154 students
Minooka Academy
Alternative · Grades 9–12
Will Co Detention Center 9-12
Alternative · Grades 9–12
School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.