For the 2025 school year, there are 3 public high schools serving 1,587 students in Monroe County, IL.
The top ranked public high schools in Monroe County, IL are Waterloo High School, Columbia High School and Valmeyer High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Monroe County, IL public high schools have an average math proficiency score of 36% (versus the Illinois public high school average of 26%), and reading proficiency score of 39% (versus the 29% statewide average). High schools in Monroe County have an average ranking of 10/10, which is in the top 5% of Illinois public high schools.
Monroe County, IL public high school have a Graduation Rate of 94%, which is more than the Illinois average of 87%.
The school with highest graduation rate is Columbia 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 7% 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 Monroe County (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Waterloo High School
(Math: 40% | Reading: 39%)
Rank:
Rank:
8/
Top 30%10
505 E Bulldog
Waterloo, IL 62298
(618) 939-3455
Waterloo, IL 62298
(618) 939-3455
Grades: 9-12
| 879 students
Rank: #22.
Columbia High School
(Math: 30-34% | Reading: 40-44%)
Rank:
Rank:
8/
Top 30%10
77 Veterans Pkwy
Columbia, IL 62236
(618) 281-5001
Columbia, IL 62236
(618) 281-5001
Grades: 9-12
| 597 students
Rank: #33.
Valmeyer High School
(Math: 20-29% | Reading: ≤20%)
Rank:
Rank:
5/
Bottom 50%10
300 S Cedar Bluff Dr
Valmeyer, IL 62295
(618) 935-2100
Valmeyer, IL 62295
(618) 935-2100
Grades: 9-12
| 111 students
Frequently Asked Questions
What are the top ranked public high schools in Monroe County, IL?
The top ranked public high schools in Monroe County, IL include Waterloo High School, Columbia High School and Valmeyer High School.
How many public high schools are located in Monroe County?
3 public high schools are located in Monroe County.
What is the racial composition of students in Monroe County?
Monroe County public high schools minority enrollment is 7% 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 Monroe County are often viewed compared to one another?
Popular comparisons of public high schools in Monroe County include: Valmeyer High School vs. Columbia High School, Valmeyer High School vs. Waterloo High School, Columbia High School vs. Waterloo High School
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