Deprecated: Return type of Phpfastcache\Util\ArrayObject::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 106 Deprecated: Return type of Phpfastcache\Util\ArrayObject::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 115 Deprecated: Return type of Phpfastcache\Util\ArrayObject::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 130 Deprecated: Return type of Phpfastcache\Util\ArrayObject::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 48 Deprecated: Return type of Phpfastcache\Util\ArrayObject::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 56 Deprecated: Return type of Phpfastcache\Util\ArrayObject::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 80 Deprecated: Return type of Phpfastcache\Drivers\Memcached\Item::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Core/Item/ItemExtendedTrait.php on line 438 Southwestern CUSD 9 School District (2026) - Piasa, IL

Southwestern CUSD 9 School District

201 E City Limits Rd
Brighton, IL 62012-2344
(District boundaries shown in map)
6/
10
Top 50%
For the 2026 school year, there is 1 public high school serving 370 students in Southwestern CUSD 9 School District. This district's average high testing ranking is 4/10, which is in the bottom 50% of public high schools in Illinois.
Public High School in Southwestern CUSD 9 School District have an average math proficiency score of 12% (versus the Illinois public high school average of 26%), and reading proficiency score of 27% (versus the 29% statewide average).
Public High School in Southwestern CUSD 9 School District have a Graduation Rate of 87%, which is equal to the Illinois average of 87%.
The school with highest graduation rate is Southwestern High School, with 85-89% graduation rate. Read more about public school graduation rate statistics in Illinois or national school graduation rate statistics.
Minority enrollment is 6% of the student body (majority Hispanic and Black), which is less than the Illinois public high school average of 55% (majority Hispanic).

Overview

This School District
This State (IL)
# Schools
5 Schools
1,040 Schools
# Students
1,149 Students
599,562 Students
# Teachers
88 Teachers
42,663 Teachers
Student-Teacher Ratio
13:1
13:1

Student By Grade

District Rank

Southwestern CUSD 9 School District, which is ranked within the top 50% of all 861 school districts in Illinois (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 87% has increased from 85-89% over five school years.
This School District
State Average (IL)
#391 out of 865 school districts
(Top 50%)
22%
27%
34%
30%
55%
50%
87%
87%

Students by Ethnicity:

0.11
0.69
% American Indian
n/a
n/a
% Asian
n/a
6%
% Hispanic
2%
29%
% Black
1%
16%
% White
95%
45%
% Hawaiian
n/a
n/a
% Two or more races
2%
4%
All Ethnic Groups

District Revenue and Spending

The revenue/student of $19,938 in this school district is less than the state median of $22,455. The school district revenue/student has grown by 23% over four school years.
The school district's spending/student of $18,026 is less than the state median of $21,692. The school district spending/student has grown by 19% over four school years.
This School District
This State (IL)
Total Revenue
$23 MM
$41,381 MM
Spending
$21 MM
$39,976 MM
Revenue / Student
$19,938
$22,455
Spending / Student
$18,026
$21,692

Best Southwestern CUSD 9 School District Public High Schools (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Southwestern High School
(Math: 10-14% | Reading: 25-29%)
Rank:
5/
10
Bottom 50%
8226 Route 111
Piasa, IL 62079
(618) 372-3813
Gr: 9-12 | 370 students Student-teacher ratio: 12:1 Minority enrollment: 6%

Recent Articles

How Public Schools Train Staff Each Year
How Public Schools Train Staff Each Year
Learn how public schools train staff each year through professional development, safety training, technology instruction, and ongoing educational support.
What Substitute Teachers Experience in Public Schools
What Substitute Teachers Experience in Public Schools
Discover what substitute teachers experience in public schools, including daily responsibilities, challenges, rewards, and their role in student success.
How Teachers Collaborate Across Departments in Public Schools
How Teachers Collaborate Across Departments in Public Schools
Learn how teachers collaborate across departments to improve student outcomes, strengthen instruction, and prepare students for real-world success.

Quick Facts (2026)

  • District size: 5 schools
  • Grades: PK-12
  • Enrollment: 1,149 students
  • Student-Teacher Ratio: 13:1
  • Minority Enrollment: 6%
  • : 87% (Top 30% in IL)
  • : Top 50%
  • : 22% (Btm 50%)
  • : 34% (Top 50%)
  • : 55% (Top 50%)
  • Source: National Center for Education Statistics (NCES), IL Dept. of Education

Quick Links