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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
4
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 421951%
Grade 521449%
Student demographics
49%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 48% · STATE 69% · US 70%
White
28967%
DISTRICT 67% · STATE 45% · US 43%
Hispanic
10925%
DISTRICT 26% · STATE 29% · US 30%
Black
123%
DISTRICT 2% · STATE 16% · US 15%
Asian
41%
DISTRICT 1% · STATE 6% · US 6%
Two+
194%
DISTRICT 4% · STATE 5% · US 5%
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
Male
21750%
Female
21650%

School pathway

Feeds from
Hilltop Elementary SchoolKG–03Edgebrook Elementary SchoolPK–03
Based on grade levels within McHenry CCSD 15. Attendance zones can vary; confirm enrollment with the district.

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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

What this means: On the IAR + ISA, Illinois's statewide test, about 47 of every 100 students at this school read and write at grade level and about 29 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 17 points since 2023, while math scores are up about 13 points.

IAR + ISA results by year

School yearEnglish Language ArtsMath
2024-2547.2%28.5%
2023-2430.5%16.0%
% 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 · 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

What this means: About 36% 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 Chauncey H Duker School

Chauncey H Duker School's state test result (35.5% proficient) is higher than 0 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Chauncey H Duker School this school43343.2%35.5%
Hilltop Elementary School
McHenry
42444.8%40.5%
Caledonia Elementary School
Caledonia
44943.2%46.0%
Edgebrook Elementary School
Mchenry
49446.0%49.1%
Minooka Elementary School
Minooka
50444.8%42.8%
Beecher Elementary School
Beecher
45938.8%54.1%
Matched among Illinois elementary 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 Chauncey H Duker School ranks

Among elementary schools
MeasureThis schoolIn IllinoisIn McHenry County
State test proficiency
ranked highest first
35.5%#1,074 of 1,925#40 of 44
Math proficiency
ranked highest first
28.5%#1,336 of 2,077
▲ 23
#40 of 44
▲ 1
Reading proficiency
ranked highest first
47.2%#1,101 of 2,077
▲ 57
#36 of 44
▲ 1
Enrollment
ranked largest first
433#833 of 2,419#27 of 51
Students per teacher
ranked fewest first
11.7:1#455 of 2,035#11 of 49
Diversity index
ranked most diverse first
48.8%#949 of 2,042#29 of 49
Free and reduced lunch
ranked highest share first
43.2%#1,483 of 2,132#18 of 49
Enrollment change since 2017-18
ranked steepest decline first
-5.0%#1,201 of 1,461#21 of 31
Ranked against other public elementary 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 2024-25
Enrollment
433
+6 (+1%) vs 2020
-16% since 2010-11, when it was 517
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2543336.911.7:143% (187)
2023-2442137.711.2:149% (205)
2022-2339036.210.8:149% (193)
2020-21427N/AN/AN/A
2017-1845633.413.7:139% (179)
2015-164983116.1:143% (213)
2010-115172917.8:131% (160)
Source: NCES Common Core of Data. Rows are the federal collections on file for Chauncey H Duker School.

Since 2017-18: students down 5% (456 to 433); teachers up 10% (33.4 to 36.9).

About Chauncey H Duker School

Chauncey H Duker School is one of the public schools in McHenry, Illinois. It is a medium-sized elementary school. The student body numbers 433 students, from grades 4 through 5.

Chauncey H Duker School is one of the 8 schools that make up McHenry CCSD 15 (4,025 students in total).

Chauncey H Duker School is 67% White by enrollment. The remaining students are 25% Hispanic, 4% multiracial, and 3% Black. Among people living in McHenry County, the White share is about 80%. Pick two students at random and there is a 49% chance they belong to different racial or ethnic groups; that figure is the school's diversity index.

The count of teachers at Chauncey H Duker School is 36.9 full-time equivalents, for a ratio of 11.7:1. That is lower than the 13.9:1 average for elementary schools in Illinois. The school counts 187 students as eligible for free or reduced-price lunch, or 43%.

Chauncey H Duker School's average proficiency rate on state tests of 35.5% is 11.1 points below the 46.6% the model predicts from its lunch-eligibility share.

Census estimates describe McHenry County this way: the median household income is $104,802, a bachelor's degree or higher is held by about 35% of adults, and the share of residents below the poverty line is 4%. In all, McHenry County has 89 public schools and roughly 50,123 students.

Nearest public school: Edgebrook Elementary School, about 0.1 miles away. Within five miles are at least 8 other public schools. The average proficiency across nearby scored schools is 46.3%; Chauncey H Duker School's is 35.5%, ranking 9th of 9.

In the federal locale system, Chauncey H Duker School is coded Suburb: Large, for schools in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

Over 4 years, enrollment stayed close to where it was, going from 427 to 433.

If you have questions about school safety, transportation, and start times at Chauncey H Duker School, you can post them here. Anyone with firsthand experience at this school can post or comment.

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 and 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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