For the 2026 school year, there are 2 public high schools serving 786 students in Warren County, IL.
The top-ranked public high schools in Warren County, IL are United High School and Monmouth-roseville High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Warren County, IL public high schools have an average math proficiency score of 16% (versus the Illinois public high school average of 26%), and reading proficiency score of 19% (versus the 29% statewide average). High schools in Warren County have an average ranking of 3/10, which is in the bottom 50% of Illinois public high schools.
Warren County, IL public high school have a Graduation Rate of 90%, which is more than the Illinois average of 87%.
The school with highest graduation rate is Monmouth-roseville High School, with 90-94% graduation rate. Read more about public school graduation rate statistics in Illinois or national school graduation rate statistics.
Minority enrollment is 33% of the student body (majority Hispanic), which is less than the Illinois public high school average of 55% (majority Hispanic).
Best Public High Schools in Warren County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
United High School
(Math: 20-29% | Reading: 20-29%)
Rank:
Rank:
6/
Top 50%10
1905 100th St
Monmouth, IL 61462
(309) 734-9411
Monmouth, IL 61462
(309) 734-9411
Gr: 9-12 | 270 students Student-teacher ratio: 12:1 Minority enrollment: 11%
Rank: #22.
Monmouth-roseville High School
(Math: 10-14% | Reading: 15-19%)
Rank:
Rank:
4/
Bottom 50%10
200 S B St
Monmouth, IL 61462
(309) 734-5118
Monmouth, IL 61462
(309) 734-5118
Gr: 9-12 | 516 students Student-teacher ratio: 17:1 Minority enrollment: 44%
Warren County Public Schools (Closed)
School
Location
Quick Facts
Knox-warren Spec Educ-kw Central (Closed 2020)
Special Education School
401 E 2nd Ave
Monmouth, IL 61462
(309) 734-2213
Monmouth, IL 61462
(309) 734-2213
Gr: 4-5 | 5 students
Knox-warren Spec Educ-kw Harding (Closed 2020)
Special Education School
415 E 9th Ave
Monmouth, IL 61462
(309) 734-4915
Monmouth, IL 61462
(309) 734-4915
Gr: 2-3 | 5 students Minority enrollment: 40%
Knox-warren Spec Educ-kw Lincoln (Closed 2020)
Special Education School
325 S 11th St
Monmouth, IL 61462
(309) 734-2222
Monmouth, IL 61462
(309) 734-2222
Gr: Inquire with school
Knox-warren Spec Educ-kw Mrhs Ed Elementary School (Closed 2020)
Special Education School
325 W 1st Ave
Monmouth, IL 61462
(309) 734-5118
Monmouth, IL 61462
(309) 734-5118
Gr: 10-12 | 2 students
Knox-warren Spec Educ-kw Mrhs Ls Elementary School (Closed 2020)
Special Education School
325 W 1st Ave
Monmouth, IL 61462
(309) 734-5118
Monmouth, IL 61462
(309) 734-5118
Gr: 9-12 | 8 students Minority enrollment: 13%
Knox-warren Spec Educ-kw Mrjh Ed Middle School (Closed 2020)
Special Education School
200 E Gossett St
Roseville, IL 61473
(309) 426-2682
Roseville, IL 61473
(309) 426-2682
Gr: 7-8 | 3 students
Knox-warren Spec Educ-kw West Cr (Closed 2020)
Special Education School
2138 State Highway 1
Monmouth, IL 61462
(309) 734-8513
Monmouth, IL 61462
(309) 734-8513
Gr: K | 6 students Minority enrollment: 17%
Knox-warren Spec Educ-kw West Ls (Closed 2020)
Special Education School
2138 State Highway 1
Monmouth, IL 61462
(309) 734-8513
Monmouth, IL 61462
(309) 734-8513
Gr: 1-5 | 7 students Minority enrollment: 29%
325 W 1st Ave
Monmouth, IL 61462
(309) 734-5118
Monmouth, IL 61462
(309) 734-5118
Gr: 9-12 | 443 students Minority enrollment: 14%
P A S S Adult Education (Closed 2012)
Alternative School
1291 North 6th St
Monmouth, IL 61462
(309) 734-3818
Monmouth, IL 61462
(309) 734-3818
200 East Gossett St
Roseville, IL 61473
(309) 426-2682
Roseville, IL 61473
(309) 426-2682
Gr: PK-12 | 115 students
2140 State Hwy 135
Monmouth, IL 61462
(309) 734-8513
Monmouth, IL 61462
(309) 734-8513
Gr: PK-5 | 169 students Student-teacher ratio: 12:1 Minority enrollment: 3%
2140 State Hwy 135
Monmouth, IL 61462
(309) 734-8511
Monmouth, IL 61462
(309) 734-8511
Gr: 9-12 | 108 students Student-teacher ratio: 8:1
Frequently Asked Questions
What are the top-ranked public high schools in Warren County, IL?
The top-ranked public high schools in Warren County, IL include United High School and Monmouth-roseville High School.
How many public high schools are located in Warren County?
2 public high schools are located in Warren County.
What is the racial composition of students in Warren County?
Warren County public high schools minority enrollment is 33% of the student body (majority Hispanic), which is less than the Illinois public high schools average of 55% (majority Hispanic).
Which public high schools in Warren County are often viewed compared to one another?
Popular comparisons of public high schools in Warren County include: United High School vs. Monmouth-roseville High School, Monmouth-roseville High School vs. United High School
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