Southwestern High School
Piasa, IL · Southwestern CUSD 9 · Grades 9 - 12
373rd of 601 Illinois high schools statewide · better than 38%▼ Declining
Southwestern High School ranking
SchoolRow ranks Southwestern High School 373rd of 601 Illinois high schools for 2024–25, based on Illinois Report Card 2024–25 English and Math results — better than 38% of high schools statewide. Its statewide percentile went from 60th in 2019 to 38th in 2025 — declining.
Southwestern High School test scores
Percent meeting or exceeding the state standard, Illinois Report Card 2024–25
Southwestern High School students
Racial and ethnic breakdown of 376 students (2023–24, NCES) — and how it has shifted since 2013
| Group | Trend | 2013 | 2023 | Change |
|---|---|---|---|---|
| White | 96.0% | 94.7% | ▼ 1.3 pts | |
| Hispanic | 1.0% | 2.4% | ▲ 1.4 pts | |
| Black | 0.4% | 1.9% | ▲ 1.5 pts | |
| Two or more races | 2.0% | 1.1% | ▼ 0.9 pts |
High schools near Southwestern High School
Closest same-level schools, with 2024–25 state rank
- 7Jersey Comm High SchoolJersey CUSD 100 · 10.1 mi away208th of 601
ELA 61% · Math 38% - 5Bunker Hill High SchoolBunker Hill CUSD 8 · 11 mi away306th of 601
ELA 47% · Math 38% - 3Alton High SchoolAlton CUSD 11 · 12.7 mi away436th of 601
ELA 36% · Math 29% - 6Civic Memorial High SchoolBethalto CUSD 8 · 15 mi away266th of 601
ELA 51% · Math 39% - –Greenfield High SchoolGreenfield CUSD 10 · 15.9 mi away
- 4Gillespie High SchoolGillespie CUSD 7 · 16.8 mi away404th of 601
ELA 36% · Math 36% - 6Carlinville High SchoolCarlinville CUSD 1 · 17.2 mi away284th of 601
ELA 52% · Math 36% - 3East Alton-Wood River High SchEast Alton-Wood River CHSD 14 · 17.2 mi away446th of 601
ELA 41% · Math 23%
Frequently asked questions
What school district is Southwestern High School in?
Southwestern High School is part of the Southwestern CUSD 9 district in Piasa, Illinois.
Is Southwestern High School a good school?
SchoolRow ranks Southwestern High School 373rd of 601 Illinois high schools (better than 38% statewide) based on 2024–25 test results (Illinois Report Card 2024–25).
What is the racial makeup of Southwestern High School?
White 95%, Hispanic 2%, Black 2%, Two or more races 1% (376 students, 2023–24).
Sources: state education department data (Illinois Report Card 2024–25, low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.