Enrollment
183
High
DISTRICT 188 · STATE 834
SCHOOL COMMUNITY·CHADWICK-MILLEDGEVILLE CUSD 399·NCES 170940005404
Chadwick-Milledgeville Jr High School
100 E 8th St, Milledgeville, IL 61051 · (815) 225-7141 · Carroll County
GRADES 06–12HIGH42-RURALTITLE IREGULAR SCHOOL183 STUDENTS
A
allk12 Grade
Scored higher than 88% of Illinois public high schools
- A-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- ABeats 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
9.6:1
19 FTE teachers
DISTRICT 10.6:1 · STATE 13.8:1
Free / Reduced Lunch
43%
79 students
DISTRICT 45% · 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 6 | 35 | 19% |
| Grade 7 | 23 | 13% |
| Grade 8 | 30 | 16% |
| Grade 9 | 30 | 16% |
| Grade 10 | 19 | 10% |
| Grade 11 | 26 | 14% |
| Grade 12 | 20 | 11% |
Student demographics
9%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 15% · 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
Based on grade levels within Chadwick-Milledgeville CUSD 399. Attendance zones can vary; confirm enrollment with the district.
QUIET COMMUNITY
Be the first to start a discussion at Chadwick-Milledgeville Jr High School.
START A DISCUSSIONTest scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)English Language Arts
69.9%
IL avg 51.0% . +2.8pp since 2023
Math
37.3%
IL avg 37.9% . +2.0pp since 2023
What this means: On the IAR + ISA, Illinois's statewide test, about 70 of every 100 students at this school read and write at grade level and about 37 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 3 points since 2023, while math scores are up about 2 points.
IAR + ISA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 69.9% | 37.3% |
| 2023-24 | 67.1% | 35.3% |
% Proficient (Levels 4-5), all students and all tested grades.
Source: IAR + ISA. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
54.6%
composite math + reading, all grades
Predicted
46.6%
based on IL schools with similar FRL share
Beats by
+8.0pp
above demographic expectation
What this means: About 55% of students here test proficient in math and reading, compared with the roughly 47% 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 Chadwick-Milledgeville Jr High School
Chadwick-Milledgeville Jr High School's state test result (54.6% proficient) is higher than 5 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Chadwick-Milledgeville Jr High School this school | 183 | 43.2% | 54.6% |
| North Clay Community High School Louisville | 178 | 44.4% | 28.3% |
| Mount Pulaski High School Mount Pulaski | 178 | 41.6% | 35.5% |
| Goreville High School Goreville | 166 | 44.6% | 38.3% |
| Galva Jr-Sr High School Galva | 191 | 41.4% | 38.9% |
| Blue Ridge High School Farmer City | 155 | 42.6% | 38.4% |
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 Chadwick-Milledgeville Jr High School ranks
Among high schools| Measure | This school | In Illinois |
|---|---|---|
| State test proficiency ranked highest first | 54.6% | #64 of 573 |
| Math proficiency ranked highest first | 37.3% | #19 of 75 ▼ 6 |
| Reading proficiency ranked highest first | 69.9% | #18 of 75 ▼ 6 |
| Enrollment ranked largest first | 183 | #555 of 708 |
| Free and reduced lunch ranked highest share first | 43.2% | #372 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
183
-1 (-1%) vs 2020
-7% since 1990-91, when it was 197
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 | 183 | 19.1 | 9.6:1 | 43% (79) |
| 2023-24 | 183 | 19.1 | 9.6:1 | 39% (72) |
| 2022-23 | 190 | 20.3 | 9.4:1 | 41% (78) |
| 2020-21 | 184 | N/A | N/A | N/A |
| 2017-18 | 160 | 14.5 | 11.0:1 | 12% (19) |
| 2015-16 | 165 | 14 | 11.8:1 | 28% (46) |
| 2010-11 | 116 | 14 | 8.3:1 | 18% (21) |
| 2000-01 | 207 | 17 | 12.2:1 | N/A |
| 1990-91 | 197 | 16 | 12.3:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Chadwick-Milledgeville Jr High School.
Since 2017-18: students up 14% (160 to 183); teachers up 31% (14.5 to 19.1).
About Chadwick-Milledgeville Jr High School
Chadwick-Milledgeville Jr High School is a high school located in Milledgeville, Illinois, in Carroll County. Its 183 students are spread across grades 6 through 12. The school's enrollment is 78% smaller than the 834 average for high schools in Illinois.
Chadwick-Milledgeville Jr High School sits within Chadwick-Milledgeville CUSD 399, which has 2 schools and 375 students.
White students are the large majority at Chadwick-Milledgeville Jr High School, with 95% of enrollment. Other groups make up 3% multiracial and 2% Hispanic. Chadwick-Milledgeville Jr High School has a diversity index of 9%, compared with 70% for all US public school students.
The ratio of students to teachers is 9.6:1, with 19.1 full-time-equivalent teachers on staff. The 13.8:1 average for high schools in Illinois is higher than this school's figure. Lunch subsidy eligibility at Chadwick-Milledgeville Jr High School is 43%.
Chadwick-Milledgeville Jr High School is graded A by allk12, scoring above 88% of Illinois public high schools once test results, poverty-adjusted performance, and the recent trend are combined.
Chadwick-Milledgeville Jr High School sits between the top and bottom 10% of Illinois schools on BeatsExpectations, with an actual average proficiency rate on state tests of 54.6% and a predicted 46.6%.
Among Carroll County residents, median household income is about $60,758, roughly 18% of adults have a four-year degree or more, and about 9% of residents live below the federal poverty line. Federal data list 7 public schools in Carroll County, with a combined enrollment of about 1,945.
The closest public school to Chadwick-Milledgeville Jr High School is Chadwick-Milledgeville Elementary School, less than a tenth of a mile away. Other public schools within ten miles number 2. The nearest schools with test data average 48.8%, lower than Chadwick-Milledgeville Jr High School's 54.6%.
Chadwick-Milledgeville Jr High School is coded as Rural: Distant in federal locale data.
Enrollment at Chadwick-Milledgeville Jr High School was 184 in 2020-21 and 183 in 2024-25, a change of less than 3%.
The discussion area below is open to posts about school events, clubs, and volunteer needs. Questions from prospective families are welcome too.
Carroll County at a glance
View full county profilePopulation
15,576
Census ACS
Median income
$60,758
Household, ACS
Bachelor's+
18%
Adults 25+
Poverty rate
9%
Below federal line
Schools in county
7
1,945 students
Quick facts
Related schools
Other schools in Chadwick-Milledgeville CUSD 399
- Chadwick-Milledgeville Elementary SchoolElementary · 192 students
Other schools in Milledgeville
- Chadwick-Milledgeville Elementary SchoolElementary · 192 students
Nearby schools
- Chadwick-Milledgeville Elementary School0.0 mi · 192
- Eastland Jr/Sr High School9.4 mi · 298
- Centennial Elementary School10.3 mi · 294
- Aplington Middle School10.5 mi · 114
- Polo Comm High School10.6 mi · 186
- Franklin Elementary School11.7 mi · 407
Frequently asked questions
About Chadwick-Milledgeville Jr High SchoolWhat is the total enrollment at Chadwick-Milledgeville Jr High School?
Chadwick-Milledgeville Jr High School enrolls approximately 183 students in grades 06-12.
Is Chadwick-Milledgeville Jr High School an elementary, middle, or high school?
Chadwick-Milledgeville Jr High School is a high school covering grades 06-12.
How many teachers does Chadwick-Milledgeville Jr High School have?
Chadwick-Milledgeville Jr High School employs 19 FTE teachers, for a student-to-teacher ratio of 9.6:1.
What is the student diversity at Chadwick-Milledgeville Jr High School?
Student demographics at Chadwick-Milledgeville Jr High School are roughly 95% White, 2% Hispanic, 3% Two or more.
Who oversees Chadwick-Milledgeville Jr High School?
Chadwick-Milledgeville Jr High School is overseen by Chadwick-Milledgeville CUSD 399 in Carroll County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.