Monticello High School
🇺🇸 Official data · 2025Monticello, Illinois 61856 · Monticello CUSD 25
#162 of 691 high schools in Illinois
#8677 of 16,910 nationally
About Monticello High School
Monticello High School is a public high located in Monticello, in the Monticello CUSD 25 school district of Illinois, United States. It caters for Grades 9–12. In 2025 it enrolled 489 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 48.9 out of 100, placing it in the lower 50% of high schools in United States and 162nd of 691 ranked high schools in Illinois. Its strongest component is students per teacher (61th percentile), and its weakest is reading proficiency (39th percentile).
Other published figures: enrollment 489.
There are 3 schools in Monticello; Monticello High School ranks 3rd of 3 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)42%
- Reading proficiency (30%)47%
- Community advantage (fewer free/reduced-price lunch) (25%)–
- Students per teacher (15%)13.6
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Monticello High School by the official sources.
- Enrollment
- 489
- Students enrolled in the latest NCES directory year.
- Students per teacher
- 13.6
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 47%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 42%
- Share of tested students proficient or above (all students, all grades).
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Schools near Monticello High School
Closest schools by straight-line distance, with their Success Index (US).
Washington School
Monticello · Public elementary · Grades PK–3
543 students · 90 m away
Monticello Middle School
Monticello · Public middle · Grades 6–8
405 students · 1.4 km away
White Heath Elem School
White Heath · Public elementary · Grades 4–5
270 students · 8.9 km away
Bement High School
Bement · Public high · Grades 9–12
85 students · 11 km away
Bement Elementary School
Bement · Public elementary · Grades PK–5
143 students · 11 km away
Bement Middle School
Bement · Public middle · Grades 6–8
63 students · 11 km away
Similar schools
Public high schools in Illinois with a comparable Enrollment.
Farragut Career Academy HS
Chicago · Public high · Grades 9–12
490 students
Prairie Central High School
Fairbury · Public high · Grades 9–12
487 students
Harrisburg High School
Harrisburg · Public high · Grades 9–12
491 students
Genoa-Kingston High School
Genoa · Public high · Grades 9–12
485 students
Mendota Twp High School
Mendota · Public high · Grades 9–12
493 students
Bond Cty Comm Unit 2 High School
Greenville · Public high · Grades 9–12
484 students
Frequently asked questions
Is Monticello High School a good school?
Monticello High School has a Success Index (US) of 48.9 out of 100 (Lower 50% of high schools in United States) and ranks #162 of 691 in Illinois. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Monticello High School rank in Illinois?
Monticello High School ranks #162 of 691 high schools in Illinois and #8677 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Monticello High School?
Monticello High School had 489 students in 2025.
Is Monticello High School a elementary school or a high school?
Monticello High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Monticello High School?
There are 6 schools within 15 km of Monticello High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.