Monticello High School is a coeducational public secondary institution located in Monticello, Illinois. It is a part of Community Unit School District #25. The school draws from the towns of Monticello, Cisco, and White Heath; and the counties of Piatt, Champaign, and DeWitt.
Serving 489 students in grades 9-12, Monticello High School ranks in the top 30% of all schools in Illinois for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 30-34% (which is higher than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 35-39% (which is higher than the Illinois state average of 30%).
The student-teacher ratio of 14:1 is higher than the Illinois state level of 13:1.
Minority enrollment is 10% of the student body (majority Black and Hispanic), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 489 students
- Student-Teacher Ratio: 14:1
- Minority Enrollment: 10%
- Graduation Rate: ≥95% (Top 10% in IL)
- Overall Testing Rank: Top 30%
- Math Proficiency: 30-34% (Top 30%)
- Reading Proficiency: 35-39% (Top 30%)
- Science Proficiency: 55-59% (Top 50%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
Top Rankings
Monticello High School ranks among the top 20% of public schools in Illinois for:
Category
Attribute
Most improved public schools
Graduation Rate
School Overview
Monticello High School's student population of 489 students has stayed relatively flat over five school years.
The teacher population of 36 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
489 students
Total Classroom Teachers
36 teachers
Year Founded
1894
Colors
Purple, Gold
School Motto
Home of the Sages
School Rankings
Monticello High School ranks within the top 30% of all 3,542 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Monticello High School is 0.19, which is less than the diversity score at state average of 0.69. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#975 out of 3542 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
30-34%
27%
Reading/Language Arts Test Scores (% Proficient)
35-39%
30%
Science Test Scores (% Proficient)
55-59%
50%
Student-Teacher Ratio
14:1
13:1
American Indian
n/a
n/a
Asian
1%
6%
Hispanic
3%
29%
Black
3%
16%
White
90%
45%
Hawaiian
n/a
n/a
Two or more races
3%
4%
All Ethnic Groups
Graduation Rate
≥95%
87%
Chronically Absent Students
(22-23)27.2%
29.7%
Eligible for Free Lunch
17%
43%
Eligible for Reduced Lunch (13-14)
5%
3%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Notes
- School Mascot: Sammy Sage
Frequently Asked Questions
What is Monticello High School's ranking?
Monticello High School is ranked #975 out of 3,542 schools, which ranks it among the top 30% of public schools in Illinois.
What schools are Monticello High School often compared to?
Monticello High Schoolis often viewed alongside schools like Cerro Gordo Jr And Sr High School, Deland-weldon High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
30-34% of students have achieved math proficiency (compared to the 27% IL state average), while 35-39% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Monticello High School?
The graduation rate of Monticello High School is 95%, which is higher than the Illinois state average of 87%.
How many students attend Monticello High School?
489 students attend Monticello High School.
What is the racial composition of the student body?
90% of Monticello High School students are White, 3% of students are Hispanic, 3% of students are Black, 3% of students are Two or more races, and 1% of students are Asian.
What is the student-teacher ratio of Monticello High School?
Monticello High School has a student ration of 14:1, which is higher than the Illinois state average of 13:1.
What grades does Monticello High School offer ?
Monticello High School offers enrollment in grades 9-12
What school district is Monticello High School part of?
Monticello High School is part of Monticello CUSD 25 School District.
School Reviews
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