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SCHOOL COMMUNITY·MCHENRY CCSD 15·NCES 172529004456

Chauncey H Duker School

3711 W Kane Ave, McHenry, IL 60050 · (779) 244-1100 · McHenry County
GRADES 04–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL433 STUDENTS
Enrollment
433
Elementary
DISTRICT 448 · STATE 381
Student : Teacher
11.7:1
37 FTE teachers
DISTRICT 12.3:1 · STATE 13.9:1
Free / Reduced Lunch
43%
187 students
DISTRICT 39% · STATE 56%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 4
219
Grade 5
214
Student demographics
White
28967%
DISTRICT 67% · STATE 45%
Hispanic
10925%
DISTRICT 26% · STATE 29%
Black
123%
DISTRICT 2% · STATE 16%
Asian
41%
DISTRICT 1% · STATE 6%
Two+
194%
DISTRICT 4% · 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
21750%
Female
21650%

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Test scores

IAR + ISA 2024-25 . % Proficient (Levels 4-5)
English Language Arts
47.2%
IL avg 51.0% . +16.7pp since 2023
Math
28.5%
IL avg 37.9% . +12.5pp 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
35.5%
composite math + reading, all grades
Predicted
46.6%
based on IL schools with similar FRL share
Beats by
-11.1pp
below 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
433
-23 (-5%) vs 2017
Student : Teacher
11.7:1
was 13.7:1
% White
67%
was 71%
% Hispanic
25%
was 23%
% Black
3%
was 2%
% Asian
1%
was 1%
Source: NCES Common Core of Data

About Chauncey H Duker School

Chauncey H Duker School is an elementary school of mid-tier scale in McHenry, Illinois, part of McHenry CCSD 15, hosting 433 students in grades 4 through 5.

McHenry CCSD 15 comprises 8 schools with combined enrollment of 4,025 students; Chauncey H Duker School is among them.

In terms of who attends, Chauncey H Duker School shows that the largest single group is White, at 67% of enrollment; the rest breaks down as 25% Hispanic, 4% multiracial, 3% Black. That is meaningfully less White than the county at large, where the share is closer to 80%.

Looking at the economic backdrop, On paper, Chauncey H Duker School has 37 full-time-equivalent teachers, translating to a class-load average of around 11.7:1. That figure is tighter than the state norm's 13.9:1 average. An estimated 43% of students are eligible for free or reduced-price lunch, often used as a Title I proxy.

On a demographically-adjusted basis, Chauncey H Duker School tracks the demographic baseline. The model predicts 46.6% given the school's FRL share; actual proficiency is 35.5%.

Across the wider county, ACS estimates for McHenry County put the typical household earns roughly $104,802 per year, about 35% of the adult population holds a bachelor's degree or above, and roughly 4% of residents live below the federal poverty line. Chauncey H Duker School is one of 89 public schools in McHenry County (combined enrollment of about 50,123 students).

Edgebrook Elem School is the nearest neighboring public school, about 0.1 miles from this campus. Within five miles, there are 8 other public schools. Among the 9 schools in that immediate cluster with test data (this one included), Chauncey H Duker School ranks 9th on composite proficiency, beneath the local average of 46.3%.

The campus sits in a bedroom-community setting.

Trend over the last 7 years. Chauncey H Duker School's enrollment has declined 5% since 2018, when it stood at 456 (now 433). Over the same period, the White share decreased from 71% to 67%. Class-load math has narrowed: from 13.7:1 in 2018 to 11.7:1 in 2025.

On the community side, posts here usually surface around classroom updates, athletics, and weather closures. Members of the school community can share what they know.

McHenry County at a glance

View full county profile
Population
312,591
Census ACS
Median income
$104,802
Household, ACS
Bachelor's+
35%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
89
50,123 students

Quick facts

School name
Chauncey H Duker School
District
McHenry CCSD 15
Address
3711 W Kane Ave, McHenry, IL 60050
Phone
(779) 244-1100
County
McHenry County
Level
Elementary
Grade range
04–05
Total enrollment
433
Teachers (FTE)
37
Student–teacher ratio
11.7:1
Free/Reduced lunch
187 (43%)
Locale
21-Suburb: Large
NCES ID
172529004456
Charter school
No
Virtual school
No

Related schools

Other schools in McHenry CCSD 15
Other schools in McHenry
Nearby schools

Frequently asked questions

About Chauncey H Duker School
How many students attend Chauncey H Duker School?
Chauncey H Duker School enrolls approximately 433 students in grades 04-05.
Is Chauncey H Duker School an elementary, middle, or high school?
Chauncey H Duker School is an elementary school covering grades 04-05.
How many students per teacher at Chauncey H Duker School?
Approximately 11.7:1 students per teacher at Chauncey H Duker School.
How diverse is Chauncey H Duker School?
Chauncey H Duker School reports a student body of 67% White, 25% Hispanic, 3% Black, 1% Asian, 4% Two or more.
Is Chauncey H Duker School public or private?
Chauncey H Duker School is a public K-12 school, overseen by McHenry CCSD 15.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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