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SCHOOL COMMUNITY·CHADWICK-MILLEDGEVILLE CUSD 399·NCES 170940005404

Chadwick-Milledgeville Jr HS

100 E 8th St, Milledgeville, IL 61051 · (815) 225-7141 · Carroll County
GRADES 06–12HIGH42-RURALTITLE IREGULAR SCHOOL183 STUDENTS
Enrollment
183
High
DISTRICT 188 · STATE 834
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
Grade 6
35
Grade 7
23
Grade 8
30
Grade 9
30
Grade 10
19
Grade 11
26
Grade 12
20
Student demographics
White
17495%
DISTRICT 92% · STATE 45%
Hispanic
42%
DISTRICT 4% · STATE 29%
Two+
53%
DISTRICT 3% · STATE 5%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
8446%
Female
9954%

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Test 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
Source: IAR + ISA. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
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
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
183
+23 (+14%) vs 2017
Student : Teacher
9.6:1
was 11.0:1
% White
95%
was 98%
% Asian
0%
was 1%
Source: NCES Common Core of Data

About Chadwick-Milledgeville Jr HS

Chadwick-Milledgeville Jr HS is a secondary school of rural-scale scale in Milledgeville, Illinois, run under Chadwick-Milledgeville CUSD 399, instructing 183 students in grades 6 through 12. Compared to the state average of about 834 students per school, that is 78% smaller than typical.

Across the 2 schools in Chadwick-Milledgeville CUSD 399 (375 students total), Chadwick-Milledgeville Jr HS accounts for its share of the district's footprint.

In terms of who attends, Chadwick-Milledgeville Jr HS records that 95% of students identify as White, making the school strongly White-majority. Beyond that, the school lists 3% multiracial, 2% Hispanic.

On the income-and-resources front, On paper, Chadwick-Milledgeville Jr HS has 19 full-time-equivalent teachers, translating to a class-load average of around 9.6:1. Statewide, the average ratio sits near 13.8:1, putting Chadwick-Milledgeville Jr HS tighter than the state norm the norm. Roughly 43% of students at Chadwick-Milledgeville Jr HS qualify for free or reduced-price lunch, a commonly cited indicator of low-income enrollment.

Adjusting for the school's free-and-reduced-lunch share, Chadwick-Milledgeville Jr HS performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 46.6%, the actual is 54.6%, a residual of +8.0 points.

In the broader community, Carroll County reports that median household earnings sit near $60,758, 18% of adults hold a bachelor's degree or higher, and the poverty rate sits near 9%. In all, Carroll County runs 7 public schools (combined enrollment of about 1,945 students), of which Chadwick-Milledgeville Jr HS is one.

Nearest neighbor: Chadwick-Milledgeville Elem Sch, around 0.0 miles off. Within ten miles, there are 2 other public schools, a sparser pattern than typical urban areas. On composite proficiency, Chadwick-Milledgeville Jr HS comes 4th of 8 in the immediate cluster, above the nearby-schools average of 48.8%.

Geographically, the school is in a low-density area.

Looking at the recent track record. Chadwick-Milledgeville Jr HS's enrollment has climbed 14% since 2018, when it stood at 160 (now 183). Class-load math has narrowed: from 11.0:1 in 2018 to 9.6:1 in 2025.

On allk12, posts here usually surface around pickup logistics, teacher feedback, and after-school programs. The community welcomes input from current and former families.

Carroll County at a glance

View full county profile
Population
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

School name
Chadwick-Milledgeville Jr HS
District
Chadwick-Milledgeville CUSD 399
Address
100 E 8th St, Milledgeville, IL 61051
Phone
(815) 225-7141
County
Carroll County
Level
High
Grade range
06–12
Total enrollment
183
Teachers (FTE)
19
Student–teacher ratio
9.6:1
Free/Reduced lunch
79 (43%)
Locale
42-Rural: Distant
NCES ID
170940005404
Charter school
No
Virtual school
No

Related schools

Other schools in Chadwick-Milledgeville CUSD 399
Other schools in Milledgeville
Nearby schools

Frequently asked questions

About Chadwick-Milledgeville Jr HS
What is the total enrollment at Chadwick-Milledgeville Jr HS?
Chadwick-Milledgeville Jr HS enrolls approximately 183 students in grades 06-12.
Is Chadwick-Milledgeville Jr HS an elementary, middle, or high school?
Chadwick-Milledgeville Jr HS is a high school covering grades 06-12.
How many teachers does Chadwick-Milledgeville Jr HS have?
Chadwick-Milledgeville Jr HS employs 19 FTE teachers, for a student-to-teacher ratio of 9.6:1.
What is the student diversity at Chadwick-Milledgeville Jr HS?
Student demographics at Chadwick-Milledgeville Jr HS are roughly 95% White, 2% Hispanic, 3% Two or more.
Who oversees Chadwick-Milledgeville Jr HS?
Chadwick-Milledgeville Jr HS 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.
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