Brown County High School
🇺🇸 Official data · 2025Mount Sterling, Illinois 62353 · Brown County CUSD 1
#234 of 691 high schools in Illinois
#10353 of 16,910 nationally
About Brown County High School
Brown County High School is a public high located in Mount Sterling, in the Brown County CUSD 1 school district of Illinois, United States. It caters for Grades 9–12. In 2025 it enrolled 224 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 42.4 out of 100, placing it in the lower 50% of high schools in United States and 234th of 691 ranked high schools in Illinois. Its strongest component is community advantage (fewer free/reduced-price lunch) (78th percentile), and its weakest is reading proficiency (21th percentile).
Other published figures: enrollment 224.
There are 3 schools in Mount Sterling; Brown County High School ranks 1st of 3 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)24.5%
- Reading proficiency (30%)34.5%
- Community advantage (fewer free/reduced-price lunch) (25%)32.1%
- Students per teacher (15%)13.2
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 Brown County High School by the official sources.
- Enrollment
- 224
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 32.1%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 13.2
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 34.5%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 24.5%
- Share of tested students proficient or above (all students, all grades).
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Schools near Brown County High School
Closest schools by straight-line distance, with their Success Index (US).
Similar schools
Public high schools in Illinois with a comparable Enrollment.
Uplift Community High School
Chicago · Public high · Grades 9–12
224 students
Somonauk High School
Somonauk · Public high · Grades 9–12
224 students
Okawville Jr/Sr High School
Okawville · Public high · Grades 7–12
224 students
Edwards County High School
Albion · Public high · Grades 9–12
223 students
Altamont High School
Altamont · Public high · Grades 9–12
222 students
Marissa Jr & Sr High School
Marissa · Public high · Grades 7–12
226 students
Frequently asked questions
Is Brown County High School a good school?
Brown County High School has a Success Index (US) of 42.4 out of 100 (Lower 50% of high schools in United States) and ranks #234 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 Brown County High School rank in Illinois?
Brown County High School ranks #234 of 691 high schools in Illinois and #10353 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Brown County High School?
Brown County High School had 224 students in 2025.
Is Brown County High School a elementary school or a high school?
Brown County High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Brown County High School?
There are 2 schools within 15 km of Brown County High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.