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Iroquois County

Illinois · Public K-12

Iroquois County, Illinois hosts 24 public K-12 schools and around 3,909 students, averaging roughly 163 per campus. Central Cusd 4 runs the largest share. By grade band, the county runs 13 elementary, 5 middle, and 6 high schools.

7-year change in Iroquois County

SY 2017-18 vs SY 2024-25
Total enrollment
3,909
-396 (-9%) vs SY 2017-18
School count
23
0 (0%) vs SY 2017-18
% White
79%
was 82%
% Hispanic
15%
was 13%
% Black
1%
was 1%
% Asian
0%
was 0%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
Schools
24
8 districts
Enrollment
3,909
NCES CCD
Median income
$66,255
Below Illinois avg
Free/reduced lunch
53.1%
Above Illinois avg
Elementary
13
1,899 students
Middle
5
815 students
High
6
1,195 students
Combined / other
0
schools
LARGEST DISTRICT
Central CUSD 4
968 students · 8 districts in Iroquois County

County vs. school enrollment demographics

Left bar is the racial makeup of Iroquois 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
White
89%
Hispanic
8%
Black
1%
Asian
0%
Two or more
6%
Native American
1%
Pacific Islander
0%
School enrollment
White
79%
Hispanic
15%
Black
1%
Asian
0%
Two or more
4%
Native American
0%
Pacific Islander
0%
Bachelor's+
18.2%
adults 25+
Poverty rate
8.4%
ACS 5-year
Unemployment
4.5%
civilian labor
Median age
44
21.6% under 18

Test scores in Iroquois County

Latest 2024-25 ELA proficiency, 13 schools ranked. Illinois state average: 51.0%.

See all 13 schools in Iroquois County ranked by score →

All schools (24)

LargestA-ZTop rated
NameCityLevelGradesEnrollmentRating
Milford Grade School West CampusMilfordElementaryPK-08354·
Chebanse Elem SchoolChebanseElementaryKG-04343·
Glenn Raymond SchoolWatsekaElementary01-05321·
Central High SchoolCliftonHigh09-12298·
Watseka Comm High SchoolWatsekaHigh09-12294·
Iroquois West High SchoolGilmanHigh09-12284·
John L Nash Middle SchoolCliftonMiddle05-08278·
Iroquois West Middle SchoolOnargaMiddle06-08215·
Watseka Junior High SchoolWatsekaMiddle06-08202·
Donovan Elem SchoolDonovanElementaryPK-05172·
Iroquois West Elem School/GilmanGilmanElementary01-03159·
Milford High School CampusMilfordHigh09-12149·
Cissna Park Elementary SchoolCissna ParkElementaryKG-05128·
Wanda Kendall Elem SchoolWatsekaElementaryPK-KG122·
Iroquois West Elem Sch/ThawvilleThawvilleElementary04-05104·
Cissna Park Sr High SchoolCissna ParkHigh09-1298·
Iroquois West Elem Sch/DanforthDanforthElementaryPK-KG92·
Donovan Sr High SchoolDonovanHigh09-1272·
Cissna Park Jr High SchoolCissna ParkMiddle06-0866·
Crescent City Grade SchoolCrescent CityElementaryKG-0554·
Donovan Jr High SchoolDonovanMiddle06-0854·
Ashkum Early Literacy CenterAshkumElementaryPK-PK49·
Milford Grade School East CampusSheldonElementaryPK-PK1·
Bryce Ash Grove Ed CtrMilfordElementaryM-M··

Cities in Iroquois County

Watseka4 schoolsCissna Park3 schoolsDonovan3 schoolsMilford3 schoolsClifton2 schoolsGilman2 schoolsAshkum1 schoolChebanse1 schoolCrescent City1 schoolDanforth1 schoolOnarga1 schoolSheldon1 schoolThawville1 school

About Iroquois County

Iroquois County is a small Illinois county of about 26,449 residents, home to 24 public schools and roughly 3,909 students.

Looking at the broader picture, census numbers show typical household earnings sit around $66,255, about 18% of adults have a bachelor's degree or above, and the poverty rate is around 8%. That income level is 6% meaningfully below the Illinois median.

Looking at the level breakdown, Iroquois County comprises 13 elementary schools (1,899 students), 5 middle schools (815), and 6 high schools (1,195).

The largest single district in Iroquois County is Central CUSD 4, which alone enrolls about 968 students.

Looking at the last 7 years. Combined enrollment now sits at 3,909 students, fell 9% from the 4,305 reported in SY 2017-18. The White share of public-school enrollment shrank from 82% to 79%.

In the discussion threads here, the community for Iroquois County discusses school events, board meetings, and seasonal calendars. Discussions cut across districts, schools, and grade levels.

Frequently asked questions

How many K-12 schools serve Iroquois County?
There are 24 public K-12 schools in Iroquois County, Illinois, with a combined enrollment of about 3,909.
How many high schools are in Iroquois County?
Iroquois County, Illinois has 6 public high schools, serving approximately 1,195 students.
How many middle schools are in Iroquois County?
Iroquois County, Illinois has 5 public middle schools, serving approximately 815 students.
How many elementary schools are in Iroquois County?
Iroquois County, Illinois has 13 public elementary schools, serving approximately 1,899 students.
What is the largest school district in Iroquois County?
Central CUSD 4 is the largest school district in Iroquois County, serving approximately 968 students. The county contains 8 school districts overall.
How many people live in Iroquois County?
Iroquois County has roughly 26,449 residents according to the latest Census ACS 5-year estimate.
What is the median household income in Iroquois County?
Median household income in Iroquois County is $66,255, below the Illinois average of $70,291. About 8.4% of residents live below the federal poverty line.
How educated are residents of Iroquois County?
Approximately 18.2% of adults 25 and older in Iroquois County hold a bachelor's degree or higher, according to the Census ACS 5-year estimate.
What share of students in Iroquois County qualify for free or reduced lunch?
Roughly 53.1% of students in Iroquois County public schools qualify for free or reduced-price lunch, a common proxy for low-income enrollment. This is higher than the Illinois county average of 51.1%.
What is the student-teacher ratio in Iroquois County schools?
Across Iroquois County public schools, the enrollment-weighted student-teacher ratio is approximately 11.9 to 1.

Iroquois County school rankings

Largest schoolsAll rankings →
DATA · Census ACS 5-year · NCES Common Core of Data