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Monticello High School

1 Sage Dr, Monticello, IL 61856

ASchola Grade
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Grades
9–12
High
Students
489
Enrolled 2024–25
Students per teacher
13.6 : 1
Full-time teachers
District
Monticello CUSD 25
Piatt County

Schola Grade A · Excellent

Letter grade (A–F) · compared with 684 Illinois high schools · How we grade
Test scores37% proficient in math & reading
82ndpercentile
Equity30% of low-income students proficient
90thpercentile
Attendance28% chronically absent
58thpercentile
Graduation rate98% graduate in 4 years
97thpercentile
College readinessAt least 29% take AP, IB or dual-enrollment courses
69thpercentile
Class size13.6 students per teacher
50thpercentile

Percentiles compare this school with other Illinois high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Monticello High School

Monticello High School is a public high school in Monticello, Illinois, serving grades 9–12. It is part of Monticello CUSD 25. The school is located in a town in Piatt County.

In the 2024–25 school year, 489 students were enrolled, with about 13.6 students for every full-time teacher. That ratio is close to the typical Illinois high school (13.3 students per teacher). Its Schola Grade is A (excellent), compared with 684 Illinois high schools.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

1 Sage Dr
Monticello, IL 61856
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School details

Type
Public School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
489 students
Students per teacher
13.6 to 1
AP courses offered
4
Charter school
No
Magnet school
No
Locale
Town — Distant
School district
Monticello CUSD 25
County
Piatt County
NCES school ID
172655002843

Schools near Monticello High School

All 4 schools in Monticello →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.