Enrollment
224
High
DISTRICT 224 · STATE 834
SCHOOL COMMUNITY·BROWN COUNTY CUSD 1·NCES 172730002893
Brown County High School
500 E Main St, Mount Sterling, IL 62353 · (217) 773-7702 · Brown County
GRADES 09–12HIGH43-RURALREGULAR SCHOOL224 STUDENTS
B+
allk12 Grade
Scored higher than 66% of Illinois public high schools
- B+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- B-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Illinois public high schools
Student : Teacher
12.7:1
18 FTE teachers
DISTRICT 12.4:1 · STATE 13.8:1
Free / Reduced Lunch
32%
72 students
DISTRICT 41% · STATE 56%
Community
0
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 60 | 27% |
| Grade 10 | 69 | 31% |
| Grade 11 | 48 | 21% |
| Grade 12 | 47 | 21% |
Student demographics
16%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 13% · STATE 69% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Feeds from
Based on grade levels within Brown County CUSD 1. Attendance zones can vary; confirm enrollment with the district.
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
45.5%
composite math + reading, all grades
Predicted
53.0%
based on IL schools with similar FRL share
Beats by
-7.4pp
below demographic expectation
What this means: About 46% of students here test proficient in math and reading, compared with the roughly 53% 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%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Brown County High School
Brown County High School's state test result (45.5% proficient) is higher than 4 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Brown County High School this school | 224 | 32.1% | 45.5% |
| Dwight High School Dwight | 211 | 32.7% | 35.5% |
| Triopia Jr-Sr High School Concord | 186 | 32.8% | 44.0% |
| AlWood Middle/High School Woodhull | 184 | 33.7% | 40.7% |
| East Dubuque High School East Dubuque | 180 | 30.0% | 39.2% |
| New Athens High School New Athens | 164 | 31.7% | 49.0% |
Matched among Illinois high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Brown County High School ranks
Among high schools| Measure | This school | In Illinois |
|---|---|---|
| State test proficiency ranked highest first | 45.5% | #126 of 573 |
| Enrollment ranked largest first | 224 | #509 of 708 |
| Students per teacher ranked fewest first | 12.7:1 | #139 of 528 |
| Diversity index ranked most diverse first | 16.0% | #420 of 537 |
| Free and reduced lunch ranked highest share first | 32.1% | #487 of 578 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
224
+5 (+2%) vs 2020
-9% since 1990-91, when it was 246
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 224 | 17.7 | 12.7:1 | 32% (72) |
| 2023-24 | 215 | 17.1 | 12.5:1 | 36% (78) |
| 2022-23 | 212 | 18.2 | 11.6:1 | 39% (83) |
| 2020-21 | 219 | N/A | N/A | N/A |
| 2017-18 | 195 | 19.2 | 10.2:1 | 43% (83) |
| 2015-16 | 188 | 16 | 11.8:1 | 30% (57) |
| 2010-11 | 244 | 22 | 11.1:1 | 35% (85) |
| 2000-01 | 276 | 26 | 10.6:1 | N/A |
| 1990-91 | 246 | 20 | 12.3:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Brown County High School.
Since 2017-18: students up 15% (195 to 224); teachers down 8% (19.2 to 17.7).
About Brown County High School
Brown County High School is a public high school run by Brown County CUSD 1 in Mount Sterling, Illinois. The school offers grades 9 through 12 and enrolls 224 students. Across high schools in Illinois, the average enrollment is about 834.
The district, Brown County CUSD 1, operates 3 schools serving 673 students.
White students account for 92% of the school's enrollment. Beyond that, enrollment is 4% Hispanic and 2% multiracial. The White share of the county population is lower, at 75%. Its diversity index, the chance that two randomly chosen students belong to different racial or ethnic groups, is 16%.
Brown County High School has a student-to-teacher ratio of 12.7:1, with 17.7 full-time-equivalent teachers. The average for high schools in Illinois, 13.8:1, is higher. A common income measure, free or reduced-price lunch eligibility, is 32% at Brown County High School. Compared with the 41% average for public schools in Brown County, the school's rate is lower.
Brown County High School holds a B+ allk12 Grade, placing it above 66% of Illinois public high schools.
On a poverty-adjusted basis, Brown County High School falls in the middle 80% of Illinois schools: 45.5% actual against 53.0% predicted.
The school is in Brown County, where the median household earns about $67,917 a year, about 13% of adults have at least a bachelor's degree, and the poverty rate is about 7%. Brown County High School shares Brown County with 2 other public schools.
The closest school to Brown County High School is Brown County Middle School, located less than a tenth of a mile away. The count of other public schools within five miles is 2. Among its closest neighbors with test data, Brown County High School is 2nd of 8 on proficiency.
The school is in rural territory far from an urban area, according to its NCES locale (Rural: Remote).
In 2020-21, Brown County High School enrolled 219; in 2024-25, 224.
The allk12 page for Brown County High School lets the school community talk about special education services, counseling, and support programs. Current and former families are welcome to add their experience.
Brown County at a glance
View full county profilePopulation
6,322
Census ACS
Median income
$67,917
Household, ACS
Bachelor's+
13%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
3
673 students
Quick facts
Related schools
Other schools in Brown County CUSD 1
- Brown County Elementary SchoolElementary · 270 students
- Brown County Middle SchoolMiddle · 179 students
Other schools in Mount Sterling
- Brown County Elementary SchoolElementary · 270 students
- Brown County Middle SchoolMiddle · 179 students
Other Brown County High schools
One other US public school is named Brown County High. Brown County High School is the 2nd largest of the 2.
- Brown County High SchoolNashville, IN · 455 students
Nearby schools
- Brown County Middle School0.0 mi · 179
- Brown County Elementary School0.9 mi · 270
- Griggsville-Perry Middle School13.7 mi · 92
- Webster Elementary School13.8 mi · 183
- Rushville-Industry High School14.1 mi · 295
- Schuyler Industry Middle School14.1 mi · 252
Frequently asked questions
About Brown County High SchoolHow large is Brown County High School?
Brown County High School enrolls approximately 224 students in grades 09-12.
What grades does Brown County High School serve?
Brown County High School serves grades 09-12.
How many teachers does Brown County High School have?
Brown County High School employs 18 FTE teachers, for a student-to-teacher ratio of 12.7:1.
What is the student diversity at Brown County High School?
Student demographics at Brown County High School are roughly 92% White, 4% Hispanic, 2% Black, 0% Asian, 2% Two or more.
Is Brown County High School public or private?
Brown County High School is a public K-12 school, overseen by Brown County CUSD 1.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.