Brown County Middle School
School pathway
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)What this means: On the IAR + ISA, Illinois's statewide test, about 46 of every 100 students at this school read and write at grade level and about 38 of 100 do math at grade level. Across all Illinois schools, those numbers are about 51 and 38. Reading and writing scores are up about 20 points since 2023, while math scores are up about 10 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 39% of students here test proficient in math and reading, compared with the roughly 48% typical for Illinois schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Illinois's top nor bottom 10%.
7-year change
SY 2017-18 vs SY 2024-25About Brown County Middle School
Brown County Middle School is a junior high of minimally staffed scale in Mount Sterling, Illinois, overseen by Brown County CUSD 1, works with 179 students in grades 5 through 8. Enrollment runs roughly 61% leaner than the state mean of about 462.
Across the 3 schools in Brown County CUSD 1 (673 students total), Brown County Middle School accounts for its share of the district's footprint.
Looking at the student body, Brown County Middle School lists that the student body is overwhelmingly White (93%). Other groups include 5% Hispanic. The wider county runs roughly 75% White, putting the school's mix considerably more White than the area baseline.
On the resource side, On paper, Brown County Middle School has 16 full-time-equivalent teachers, translating to a class-load average of around 11.0:1. The state averages around 13.0:1, so this campus is tighter than the state norm typical. About 40% of enrolled students meet the income threshold for free or reduced-price lunch, often used as a Title I proxy.
On a demographically-adjusted basis, Brown County Middle School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 48.3%; this one delivers 39.1%.
In the surrounding community, Brown County reports that median household income runs about $67,917, 13% of adults hold a bachelor's degree or higher, and roughly 7% of residents live below the federal poverty line. Across Brown County's 3 public schools (combined enrollment of about 673 students), Brown County Middle School is one campus in the mix.
The closest other public school is Brown County High School, roughly 0.0 miles away. Within five miles, there are 2 other public schools. Ranking that nearby cluster on reported proficiency puts Brown County Middle School at 4th of 7; the average score across the group is 37.1%.
Geographically, the school is in a small-town area.
Looking at the recent track record. Looking back 7 years, enrollment at Brown County Middle School has shrank 18%, going from 218 students in 2018 to 179 in 2025. Over the same period, the White share ticked down from 97% to 93%. The student-to-teacher ratio fell from 14.3:1 in 2018 to 11.0:1 today.
Within the allk12 community for this school, recent activity here tends to focus on science fair prep, picture-day reminders, and bus-route questions. Posting is open to anyone connected to the school.
Brown County at a glance
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Related schools
- Brown County Elementary SchoolElementary · 270 students
- Brown County High SchoolHigh · 224 students
- Brown County Elementary SchoolElementary · 270 students
- Brown County High SchoolHigh · 224 students
- Brown County High School0.0 mi · 224
- Brown County Elementary School0.9 mi · 270
- Griggsville-Perry Middle School13.6 mi · 92
- Webster Elem School13.9 mi · 183
- Rushville-Industry High School14.1 mi · 295
- Schuyler Industry Middle School14.1 mi · 252