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
CUSD 308 School District (2026) - Oswego, IL

CUSD 308 School District

4175 State Route 71
Oswego, IL 60543-8340
(District boundaries shown in map)
7/
10
Top 50%

Top Rankings

CUSD 308 School District ranks among the top 20% of public school district in Illinois for:

Category
Attribute
Graduation Rate
Highest graduation rate (Top 10%)
Diversity
Most diverse schools (Top 1%)
Community Size
Largest student body (number of students) (Top 1%)
For the 2026 school year, there are 3 public high schools serving 5,628 students in CUSD 308 School District. This district's average high testing ranking is 8/10, which is in the top 30% of public high schools in Illinois.
Public High Schools in CUSD 308 School District have an average math proficiency score of 30% (versus the Illinois public high school average of 26%), and reading proficiency score of 35% (versus the 29% statewide average).
Public High School in CUSD 308 School District have a Graduation Rate of 94%, which is more than the Illinois average of 87%.
The school with highest graduation rate is Oswego East High School, with 95% graduation rate. Read more about public school graduation rate statistics in Illinois or national school graduation rate statistics.
Minority enrollment is 51% of the student body (majority Hispanic), which is less than the Illinois public high school average of 55% (majority Hispanic).

Overview

This School District
This State (IL)
# Schools
22 Schools
1,040 Schools
# Students
16,766 Students
599,562 Students
# Teachers
1,147 Teachers
42,663 Teachers
Student-Teacher Ratio
15:1
15:1

Student By Grade

District Rank

CUSD 308 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 94% has decreased from 95% over five school years.
This School District
State Average (IL)
#305 out of 865 school districts
(Top 50%)
31%
27%
32%
30%
59%
50%
94%
87%

Students by Ethnicity:

0.69
0.69
% American Indian
n/a
n/a
% Asian
10%
6%
% Hispanic
27%
29%
% Black
11%
16%
% White
47%
45%
% Hawaiian
n/a
n/a
% Two or more races
5%
4%
All Ethnic Groups

District Revenue and Spending

The revenue/student of $18,081 in this school district is less than the state median of $22,455. The school district revenue/student has grown by 6% over four school years.
The school district's spending/student of $16,761 is less than the state median of $21,692. The school district spending/student has grown by 9% over four school years.
This School District
This State (IL)
Total Revenue
$303 MM
$41,381 MM
Spending
$281 MM
$39,976 MM
Revenue / Student
$18,081
$22,455
Spending / Student
$16,761
$21,692

Best CUSD 308 School District Public High Schools (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Oswego East High School
(Math: 36% | Reading: 38%)
Rank:
8/
10
Top 30%
1525 Harvey Rd
Oswego, IL 60543
(630) 636-2200
Gr: 9-12 | 2,758 students Student-teacher ratio: 16:1 Minority enrollment: 51%
Rank: #22.
Oswego High School
(Math: 24% | Reading: 33%)
Rank:
7/
10
Top 50%
4250 State Route 71
Oswego, IL 60543
(630) 636-2000
Gr: 9-12 | 2,870 students Student-teacher ratio: 16:1 Minority enrollment: 51%
Rank: #33.
East View Academy School
Alternative School
(Math: ≤20% | Reading: ≤20% )
Rank:
5/
10
Bottom 50%
4209 State Route 71
Oswego, IL 60543
(630) 608-5900
Gr: K-12

Recent Articles

Media Literacy as a Core Skill: How to Tell if a School Teaches It Well
Media Literacy as a Core Skill: How to Tell if a School Teaches It Well
Learn how to evaluate whether a public school teaches media literacy effectively, from fact-checking and source evaluation to digital citizenship and critical thinking.
Screen Time, Paper Learning, and the New Back-to-Basics Debate
Screen Time, Paper Learning, and the New Back-to-Basics Debate
Explore why some public schools are reducing screen time, bringing back paper learning, and rethinking the balance between technology and traditional instruction.
Student Data, AI Tools, and Privacy: Questions to Ask Your District
Student Data, AI Tools, and Privacy: Questions to Ask Your District
Learn how public schools use AI, protect student data, and the key privacy questions every parent should ask their school district in 2026.

Quick Facts (2026)

  • District size: 22 schools
  • Grades: PK-12
  • Enrollment: 16,766 students
  • Student-Teacher Ratio: 15:1
  • Minority Enrollment: 54%
  • : 94% (Top 10% in IL)
  • : Top 50%
  • : 31% (Top 50%)
  • : 32% (Top 50%)
  • : 59% (Top 50%)
  • Source: National Center for Education Statistics (NCES), IL Dept. of Education

Quick Links