For the 2025-26 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 ºÚÁÏÍø¹ÙÍø High Schools in Warren County (2025-26)
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 ºÚÁÏÍø¹ÙÍø 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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