B
Southwestern High School
PublicHighGrades 9–12
8226 Route 111, Piasa, IL 62079 · (618) 372-3813 · Part of Southwestern Community Unit School District 9
Students
370
Students per teacher
12:1
Free or reduced lunch
42%
Setting
Rural
Grades
9–12
What stands out about Southwestern High School
- Small classes: 12:1 students per teacher
- Enrollment down 11.7% since 2020
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency22%
State average 25.9%
Reading / language arts27%
State average 30.7%
Location
Directions ↗
8226 Route 111, Piasa
Students
Enrollment by grade
Grade 980
Grade 10104
Grade 1195
Grade 1291
Enrollment over time
419’20
387’21
372’22
376’23
370’24
Down 11.7% since 2020.
Who goes here
White 94%Hispanic 2%Black 2%Two or more races 1%American Indian/Alaska Native <1%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
No ratings yet. Be the first neighbor to rate it.
Parents talk
Conversations in Town Square that mention Southwestern High School.
Other schools in Southwestern Community Unit School District 9
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.