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 Best Public High Schools in Knox County (2026)
Public School Review - Established 2003

Best Knox County Public High Schools (2026)

For the 2026 school year, there are 13 public high schools serving 2,627 students in Knox County, IL.
The top-ranked public high schools in Knox County, IL are R O W V A Jr And Sr High School, Williamsfield High School and Knoxville Sr High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Knox County, IL public high schools have an average math proficiency score of 11% (versus the Illinois public high school average of 26%), and reading proficiency score of 23% (versus the 29% statewide average). High schools in Knox County have an average ranking of 3/10, which is in the bottom 50% of Illinois public high schools.
Knox County, IL public high school have a Graduation Rate of 82%, which is less than the Illinois average of 87%.
The school with highest graduation rate is Knoxville Sr 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 30% of the student body (majority Black and Hispanic), which is less than the Illinois public high school average of 55% (majority Hispanic).

Best Public High Schools in Knox County (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
R O W V A Jr And Sr High School
(Math: 15-19% | Reading: 35-39%)
Rank:
6/
10
Top 50%
335 N Joy St
Oneida, IL 61467
(309) 483-6371
Gr: 7-12 | 248 students Student-teacher ratio: 8:1 Minority enrollment: 11%
Rank: #22.
Williamsfield High School
(Math: 21-39% | Reading: ≤20%)
Rank:
6/
10
Top 50%
325 W Kentucky Ave
Williamsfield, IL 61489
(309) 639-2219
Gr: 9-12 | 97 students Student-teacher ratio: 8:1 Minority enrollment: 7%
Rank: #33.
Knoxville Sr High School
(Math: 15-19% | Reading: 20-24%)
Rank:
5/
10
Bottom 50%
600 E Main St
Knoxville, IL 61448
(309) 289-2324
Gr: 9-12 | 272 students Student-teacher ratio: 11:1 Minority enrollment: 5%
Rank: #44.
Galesburg Senior High School
(Math: 10% | Reading: 19%)
Rank:
3/
10
Bottom 50%
1135 W Fremont St
Galesburg, IL 61401
(309) 973-2001
Gr: 9-12 | 1,158 students Student-teacher ratio: 15:1 Minority enrollment: 40%
Rank: #55.
Abingdon-avon High School
(Math: 6-9% | Reading: 11-19%)
Rank:
3/
10
Bottom 50%
600 W Martin St
Abingdon, IL 61410
(309) 462-2338
Gr: 9-12 | 278 students Student-teacher ratio: 12:1 Minority enrollment: 15%
Rank: n/an/a
Galesburg Area Voc Center
Vocational School
940 W Fremont St
Galesburg, IL 61401
(309) 973-2005
Gr: 10-12
Rank: n/an/a
Knox Co Mary Davis Detention Home
Alternative School
1319 E 5th St
Galesburg, IL 61401
(309) 343-5112
Gr: 6-12
Rank: n/an/a
Raes East Alt Education
Alternative School
932 Harrison St
Galesburg, IL 61401
(309) 345-3828
Gr: 6-12
Rank: n/an/a
Raes Night School
Alternative School
932 Harrison St
Galesburg, IL 61401
(309) 345-3828
Gr: 6-12
Rank: n/an/a
Raes Rssp
Alternative School
932 Harrison St
Galesburg, IL 61401
(309) 345-3828
Gr: 6-12
Rank: n/an/a
Raes West
Alternative School
932 Harrison St
Galesburg, IL 61401
(309) 734-3818
Gr: 6-12
Rank: n/an/a
Raes West Alt Education
Alternative School
932 Harrison St
Galesburg, IL 61401
(309) 734-3818
Gr: 6-12
Rank: n/an/a
Roe 33 Alop
Alternative School
932 Harrison St
Galesburg, IL 61401
(309) 715-7306
Gr: 7-12

Frequently Asked Questions

What are the top-ranked public high schools in Knox County, IL?
The top-ranked public high schools in Knox County, IL include R O W V A Jr And Sr High School, Williamsfield High School and Knoxville Sr High School.
How many public high schools are located in Knox County?
12 public high schools are located in Knox County.
What is the racial composition of students in Knox County?
Knox County public high schools minority enrollment is 30% of the student body (majority Black and Hispanic), which is less than the Illinois public high schools average of 55% (majority Hispanic).
Which public high schools in Knox County are often viewed compared to one another?

Recent Articles

AI Report Cards: Should Schools Evaluate AI Use?
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.

Quick Links

School Search Tools:
School by Type (IL):
Private & Boarding Schools:
State Links:

Most Popular Articles

School Rankings by Category
School Rankings by Category
 Hello Budget Cuts, Goodbye Sports: The Threat to Athletics
Hello Budget Cuts, Goodbye Sports: The Threat to Athletics
Changing Demographics Will Alter the Diversity of Public Schools
Changing Demographics Will Alter the Diversity of Public Schools
 The Impact of Social Media on Students – 2025 Updated Insights
The Impact of Social Media on Students – 2025 Updated Insights
 Year-Round vs Traditional School Calendar: 2025 Insights
Year-Round vs Traditional School Calendar: 2025 Insights

More Articles

Evaluating Public Schools
Public School Policies
Parenting and Learning Issues
Teaching
Local School Topics