Total enrollment
2,377
-95 (-4%) vs SY 2020-21
Jersey County
Illinois · Public K-12
Jersey County's public-school directory totals 10 schools, with student enrollment near 2,377. Jersey Cusd 100 is the largest district. Median household income runs around $80,361. By level, that breaks down as 3 elementary, 1 middle, and 5 high schools.
4-year change in Jersey County
SY 2020-21 vs SY 2024-25School count
6
0 (0%) vs SY 2020-21
Source: NCES Common Core of Data, enrollment-weighted demographic averages
How Jersey County ranks
Among counties| Measure | This county | In Illinois | In the US |
|---|---|---|---|
| State test proficiency ranked highest first | 46.7% | #18 of 88 | N/A |
| Enrollment ranked largest first | 2,377 | #68 of 89 | #2,060 of 2,745 |
| Number of schools ranked most first | 6 | #82 of 89 | N/A |
| Students per teacher ranked fewest first | 15.0:1 | #82 of 89 | #1,766 of 2,655 |
| Free or reduced-price lunch share ranked highest first | 45.0% | #70 of 89 | #1,871 of 2,526 |
| Diversity index ranked most diverse first | 16.0% | #60 of 89 | #2,300 of 2,707 |
Counties need at least 3 schools and 1,000 students to be ranked. Test proficiency is ranked within the state only, since each state gives a different test. Each rank links to the full list.
Jersey County school rankings
Residents
21,274
all ages · ACS 5-yr
Schools
10
3 districts
Enrollment
2,377
students · NCES CCD
Median income
$80,361
Above Illinois avg
Free/reduced lunch
45.0%
Below Illinois avg
Elementary
3
915 students
Middle
1
489 students
High
5
973 students
Combined / other
1
schools
LARGEST DISTRICT
Jersey CUSD 100
2,365 students · 3 districts in Jersey County
County vs. school enrollment demographics
Left bar is the racial makeup of Jersey 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+
22.6%
adults 25+
Poverty rate
5.6%
ACS 5-year
Unemployment
3.4%
civilian labor
Median age
44
19.8% under 18
Test scores in Jersey County
Latest 2024-25 ELA proficiency, 4 schools ranked. Illinois state average: 51.0%.
Top 4 schools (ELA)
- Jersey Community Middle School· 68.6%
- Jersey Comm High School· 58.3%
- Jerseyville East Elem School· 55.9%
- Grafton Elem School· 52.9%
| Name | City | Level | Grades | Enrollment | Rating |
|---|---|---|---|---|---|
| Jersey Comm High School | Jerseyville | High | 08-12 | 961 | · |
| Jersey Community Middle School | Jerseyville | Middle | 05-07 | 489 | · |
| Jerseyville East Elem School | Jerseyville | Elementary | 02-04 | 392 | · |
| Jerseyville West Elem School | Jerseyville | Elementary | PK-01 | 352 | · |
| Grafton Elem School | Grafton | Elementary | PK-04 | 171 | · |
| Il Youth Center - Pere Marquette | Grafton | High | 08-12 | 12 | · |
| Central Ill Rural Region | Jerseyville | High | 09-12 | 0 | · |
| Jersey Comm Alt Program JCAP | Jerseyville | High | 05-12 | 0 | · |
| ROE 40 ALOP | Jerseyville | Combined | 04-12 | 0 | · |
| ROE Safe School Jersey | Carlinville | High | 06-12 | 0 | · |
Cities in Jersey County
About Jersey County
Jersey County is a rural-scale Illinois county of about 21,274 residents, home to 10 public schools and roughly 2,377 students.
Looking at the broader picture, census numbers show the median household earns about $80,361 a year, about 23% of adults have a bachelor's degree or above, and the poverty rate is around 6%. That income level is 14% above the Illinois median.
On the level-by-level breakdown, Jersey County is built around 3 elementary schools (915 students), 1 middle school (489), 5 high schools (973), and 1 combined or other schools.
Jersey CUSD 100 is the biggest district by enrollment, covering about 2,365 students across Jersey County.
Over the past 4-year window. Total public-school enrollment in Jersey County has declined 4% since SY 2020-21, moving from about 2,472 students to 2,377.
On this page, the community for Jersey County discusses enrollment trends, district policy changes, and bus-route updates. Anyone with firsthand knowledge of these schools is welcome to weigh in.
Frequently asked questions
DATA · Census ACS 5-year · NCES Common Core of Data