SchoolRow
#373

Southwestern High School

Piasa, IL · Southwestern CUSD 9

Regular public school · Grades 9 - 12 · Rural, distant

373rd of 601 Illinois high schools statewide · better than 38% Declining

8226 Route 111, Piasa, IL 62079

(618)372-3813NCES ID 173150003320Directory 202324

376
Students
2023–24 enrollment
12.1:1
Student / teacher ratio
42%
Free / reduced-price lunch
low-income indicator
17.8%
Chronically absent
IL average 25%

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.

Statewide percentile by year
25%50%75%38%201920202025no testing 2020–21

Percent meeting or exceeding the state standard, Illinois Report Card 2024–25

English Language Arts
Southwestern High School
46%
IL average
52%
Math
Southwestern High School
30%
IL average
38%
Science
Southwestern High School
43%
IL average
45%
English Language Arts over time Southwestern High School IL average
25%50%75%46%52%201920202025no testing 2020–21
Math over time Southwestern High School IL average
25%50%75%30%38%201920202025no testing 2020–21
Science over time Southwestern High School IL average
25%50%75%43%45%201920202025no testing 2020–21
ELA by race, over time
25%50%75%47%201920202025no testing 2020–21
Math by race, over time
25%50%75%32%201920202025no testing 2020–21
Science by race, over time
25%50%75%44%201920202025no testing 2020–21

Percent meeting or exceeding the state standard, by student race and ethnicity. Only groups IL reports for this school appear — small groups are suppressed at the source to protect student privacy, so a missing line means too few testers, not zero. Tap a group to compare it with the IL average for that same group.

Racial and ethnic breakdown of 376 students (202324, NCES) — history since 1988, with comparable seven-category changes from 2010

White95%
Hover the pie for details
categories changedWhite 95%97%19882023
GroupTrend20102023Change
White94.9%94.7% 0.2 pts
Hispanic0.2%2.4% 2.2 pts
Black1.6%1.9% 0.3 pts
Two or more races2.2%1.1% 1.1 pts
Asian0.6%0.0% 0.6 pts
American Indian0.6%0.0% 0.6 pts

NCES history for this school begins in 1988. Race categories changed by 2010: earlier data combines Asian and Pacific Islander students and does not consistently identify multiracial students. The chart retains that history, while the change table uses 2010 onward.

Closest same-level schools, with 2024–25 state rank · ▲▼ = points better or worse than Southwestern High School

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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.