Total enrollment
616
+33 (+6%) vs SY 2017-18
Calhoun County
Illinois · Public K-12
Calhoun County in Illinois is home to 4 public K-12 schools, serving roughly 616 students between them, broken out as 2 elementary and 2 high. Calhoun Cusd 40 is the largest district by enrollment.
7-year change in Calhoun County
SY 2017-18 vs SY 2024-25School count
4
0 (0%) vs SY 2017-18
% White
94%
was 95%
% Hispanic
3%
was 1%
% Asian
0%
was 1%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
Schools
4
2 districts
Enrollment
616
NCES CCD
Median income
$93,203
Above Illinois avg
Free/reduced lunch
38.0%
Below Illinois avg
Elementary
2
403 students
Middle
0
schools
High
2
213 students
Combined / other
0
schools
LARGEST DISTRICT
Calhoun CUSD 40
507 students · 2 districts in Calhoun County
County vs. school enrollment demographics
Left bar is the racial makeup of Calhoun County residents (Census ACS 5-year). Right bar is the enrollment-weighted makeup of public schools in the county (NCES CCD). NCES systematically under-reports Hispanic, Pacific Islander, and Native American enrollment for many schools; where the resident share is meaningful but the reported school share is zero, we mark the school bar "not reported".
County residents
School enrollment
Bachelor's+
20.1%
adults 25+
Poverty rate
5.6%
ACS 5-year
Unemployment
3.2%
civilian labor
Median age
49
19.9% under 18
Test scores in Calhoun County
Latest 2024-25 ELA proficiency, 2 schools ranked. Illinois state average: 51.0%.
Top 2 schools (ELA)
- Calhoun Elementary/ Jr High Sch· 45.9%
- Brussels Grade School· 30.4%
| Name | City | Level | Grades | Enrollment | Rating |
|---|---|---|---|---|---|
| Calhoun Elementary/ Jr High Sch | Hardin | Elementary | PK-08 | 336 | · |
| Calhoun High School | Hardin | High | 09-12 | 171 | · |
| Brussels Grade School | Brussels | Elementary | KG-07 | 67 | · |
| Brussels High School | Brussels | High | 07-12 | 42 | · |
Cities in Calhoun County
About Calhoun County
Calhoun County is a thinly populated Illinois county of about 4,330 residents, home to 4 public schools and roughly 616 students.
Zooming out, census numbers show the median household earns about $93,203 a year, roughly 20% of adults have completed at least a four-year degree, and roughly 6% of residents live below the federal poverty line. That income level is 33% meaningfully above the Illinois median.
On the school-mix side, Calhoun County is made up of 2 elementary schools (403 students), and 2 high schools (213).
Calhoun CUSD 40 is the biggest district by enrollment, covering about 507 students across Calhoun County.
Looking at the last 7 years. Total public-school enrollment in Calhoun County has increased 6% since SY 2017-18, moving from about 583 students to 616.
On allk12, the community for Calhoun County discusses sports rivalries, cross-district programs, and shared facilities. Posts come from current and former families, staff, and alumni.
Frequently asked questions
DATA · Census ACS 5-year · NCES Common Core of Data