Excellent
#518 of 3,813 schools in IL
Top 14% in state
Southwestern High School
High School · Southwestern CUSD 9
8226 Route 111, Piasa, IL 62079
Enrollment
376
Student-Teacher
12.1:1
Score
8.1
Grades
9th – 12th
Enrollment
376
Student-Teacher
12.1:1
Score
8.1
Grades
9th – 12th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Illinois schools
#518 of 3,813
In Piasa
#1 of 2
public schools
In district
#1 of 5
Southwestern CUSD 9
Academic growth
9.1 / 10
Excellent
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Southwestern High School
High School in Piasa · grades 9th – 12th. Start here, then compare fit against nearby and district options.
Southwestern Middle School
0.0 mi away. Use as a geographic alternative in the same move search.
Medora Intermediate School
3.8 mi away. Use as a geographic alternative in the same move search.
About Southwestern High School
Southwestern High School is a public high school in Piasa, IL, part of Southwestern CUSD 9. Southwestern High School serves approximately 376 students, and covers grades 9th-12th, and has a 12.1:1 student-teacher ratio. Southwestern High School has a current MySchoolScout rating of 8.1 out of 10 and ranks #518 of 3,813 schools in IL.
Structured state assessment records for Southwestern High School show 37% math proficiency (multi-year average, 2009-2021) and 41% reading/ELA proficiency (multi-year average, 2009-2022).
- This school 8.1 · Excellent
- IL avg 6.6
What Parents Should Know
Southwestern High School sits in a rural area, which can mean longer drives for some families. Rural schools are often community anchors with smaller classes, but check transportation, after-school options, and access to specialized services before you commit.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Southwestern High School — Students at Southwestern High School score 24% proficient, which is below what's typical for similar communities (expected: 31%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
40.7%
Students qualifying for federal meal assistance
Test Scores IL EDFACTS (2021-22)
Based on 27 test records from IL state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.1/10.
How Southwestern High School Compares
See how Southwestern High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
8226 Route 111, Piasa, IL 62079
Nearby Alternatives
Families considering Southwestern High School may also want to explore other high schools in the area. Alton High School (rated 7.1/10, 12.7 miles away, in nearby Alton), with a comparable rating. Another option is Jersey Comm High School (rated 4.8/10, 10.1 miles away, in nearby Jerseyville), a more accessible option. Additionally, Bunker Hill High School (rated 4.8/10, 11.1 miles away, in nearby Bunker Hill), a more accessible option. For more schools in Piasa, see our Piasa schools guide .
Nearby Schools
20 within 14.9 mi| School | Distance | Rating |
|---|---|---|
| Southwestern Middle School Piasa | 0.0 mi | 6.5 |
| Medora Intermediate School Medora | 3.8 mi | 5.9 |
| Brighton North Primary School Brighton | 4.8 mi | 3.8 |
| Shipman Elem School Shipman | 5.2 mi | 7.3 |
| Lewis & Clark Elem School Godfrey | 10.8 mi | 4.1 |
| MONTESSORI CHILDRENS HOUSE Godfrey | 11.9 mi | 5.8 |
| North Elementary School Godfrey | 12.1 mi | 4.0 |
| Jerseyville East Elem School Jerseyville | 9.9 mi | 6.7 |
| Alton High School Alton | 12.7 mi | 7.1 |
| Jersey Community Middle School Jerseyville | 10.1 mi | 6.2 |
| Jersey Comm High School Jerseyville | 10.1 mi | 4.8 |
| Bunker Hill High School Bunker Hill | 11.1 mi | 4.8 |
| Jerseyville West Elem School Jerseyville | 10.7 mi | 5.1 |
| ST AMBROSE CATHOLIC SCHOOL Godfrey | 13.6 mi | 6.1 |
| Wolf Ridge Education Center Bunker Hill | 11.3 mi | 4.1 |
| EVANGELICAL SCHOOL Godfrey | 13.7 mi | 4.6 |
| Gilson Brown Elem School Godfrey | 13.6 mi | 3.4 |
| Eunice Smith Elem School Alton | 14.4 mi | 4.0 |
| MISSISSIPPI VALLEY CHRISTIAN SCHOOL Alton | 14.6 mi | 6.6 |
| Alton Middle School Alton | 14.9 mi | 4.6 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 62079 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$129,205
Median Home Value
$234,100
Population
370
College Educated
10.5%
Homeownership
79.4%
Poverty Rate
0%
Median Age
48.2
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| IC CATHOLIC PREP Elmhurst, IL | 8.0 |
| Tremont High School Tremont, IL | 8.0 |
| Tri-Valley High School Downs, IL | 8.2 |
| ROSARY HIGH SCHOOL Aurora, IL | 7.9 |
| Paxton-Buckley-Loda High School Paxton, IL | 7.8 |
| Indian Creek High School Shabbona, IL | 7.7 |
Frequently Asked Questions
Common questions about Southwestern High School
What grades does Southwestern High School serve?
Southwestern High School serves students in grades 9th through 12th.
How many students attend Southwestern High School?
Southwestern High School has an enrollment of approximately 376 students.
What is the student-teacher ratio at Southwestern High School?
The student-teacher ratio at Southwestern High School is 12.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Southwestern High School rank in IL?
Southwestern High School ranks #518 of 3,813 schools in IL.
What is Southwestern High School's MySchoolScout rating?
Southwestern High School has a current MySchoolScout rating of 8.1 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Southwestern High School?
Based on loaded state assessment records, Southwestern High School has 37% math proficiency (multi-year average, 2009-2021) and 41% reading/ELA proficiency (multi-year average, 2009-2022).
Is Southwestern High School a charter school?
No, Southwestern High School is not a charter school. It is a traditional public school operated by the local school district.
Is Southwestern High School a Title I school?
No, Southwestern High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Southwestern High School?
40.7% of students at Southwestern High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 376
- Student-Teacher Ratio
- 12.1:1
- Teachers (FTE)
- 31
- Free/Reduced Lunch
- 40.7%
- Type
- regular
- Setting
- Distant Rural
- County
- Macoupin County
- Chronic Absenteeism (SY 2022-23)
- 24.2%
- Phone
- (618) 372-3813
Resources & Links
District
Southwestern CUSD 9- District Enrollment
- 1,162
- Schools in District
- 5
- Per-Pupil Spending
- $15,053
- District Rank
- #1 of 5
Other Schools in This District
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