- Enrollment
- 695
- Students per teacher
- 11.4:1
- Resource Index
- 41/100
Elementary school (grades K-5) · Mchenry, IL
Chauncey H Duker School
Federal NCES profile for Chauncey H Duker School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
2024-25 NCES dataElementary school (grades K-5)NCES 172529004456
👥 S:T ratio 52
🌟 Gifted program 30
📋 Attendance 53
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Chauncey H Duker School earns 45/100 on the Resource Investment Index, with class sizes smaller than 71% of Illinois schools.
- #1 of 4
- elementary schools in Mchenry · Resource Index
- 45
- Resource Index · Typical
- 12:1
- small classes for Illinois
- 433
- students enrolled
Chauncey H Duker School has class sizes smaller than 71% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Chauncey H Duker School ranks #1 of 4 elementary schools in Mchenry, IL.
School address
District: Mchenry Ccsd 15 · Illinois
NCES ID 172529004456 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+31 students YoY
Chauncey H Duker School grew from 390 students in 2022-23 to 421 in 2023-24 (+7.9%).
Teacher FTE added 36.2 → 37.7 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+31 students YoY 172529004456 · Mchenry, IL Elementary · SMALL · TRAD
433 enr · 12:1 · RII 45
Nearest enrollment peer: Mchenry Middle School (695 students)
Chauncey H Duker School grew from 390 students in 2022-23 to 421 in 2023-24 (+7.9%). Teacher FTE added 36.2 → 37.7 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
Chauncey H Duker School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Mchenry Middle
Mchenry Middle School
695 students
- Parkland Schoo
Parkland School
645 students
- Riverwood Elem
Riverwood Elementary School
619 students
- Valley View El
Valley View Elem School
526 students
- Edgebrook Elem
Edgebrook Elem School
494 students
- This school
Chauncey H Duker School
433 students
What this shows Chauncey H Duker School reports 433 students on the CCD universe file.
How Chauncey H Duker School compares
Chauncey H Duker School is a growing campus on CCD: ratios and free-lunch share vs Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12:1 | ▼ 14% | 14:1 | 15.7:1 |
| Enrollment | 433 | top 40% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12:1
Leaner classes than 75% of US schools, among the more generously staffed nationally.
433
Bigger than 52% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
12:1
students per teacher
- 14% below state mean
Top 29% in Illinois - lower ratio than 71% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
18.7%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$20,259
per pupil, district-wide
- above Illinois avg of $18,196
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 66.7%
Hispanic or Latino 25.2%
Two or More 4.4%
African American 2.8%
Asian 0.9%
Largest group: White at 66.7% of enrollment.
Student-body diversity index 48.9/100
Simpson diversity index - at 48.9, Chauncey H Duker School is more mixed than the Illinois school average of 38.9.
Programs
District finance for Mchenry Ccsd 15 reports $20,259 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Chauncey H Duker School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mchenry Middle School | Larger | No free-lunch data | Similar S:T ratio |
| Parkland School | Larger | No free-lunch data | Similar S:T ratio |
| Riverwood Elementary School | Larger | No free-lunch data | Similar S:T ratio |
| Valley View Elem School | Similar size | No free-lunch data | Similar S:T ratio |
| Edgebrook Elem School | Similar size | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Chauncey H Duker School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 645
- Students per teacher
- 11.3:1
- Resource Index
- 41/100
- Enrollment
- 619
- Students per teacher
- 13.2:1
- Resource Index
- 42/100
- Enrollment
- 526
- Students per teacher
- 12.2:1
- Resource Index
- 38/100
- Enrollment
- 494
- Students per teacher
- 10.5:1
- Resource Index
- 45/100
Similar elementary schools in Mchenry
1 comparable elementary schools (grades K-5) serving the same city.
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~433 students)
Frequently asked questions about Chauncey H Duker School
How many students attend Chauncey H Duker School?
Chauncey H Duker School has 433 students enrolled. It is an elementary school in Mchenry, IL. CCD year-over-year: 390 (2022-23) → 421 (2023-24), up 31.
What is the student-teacher ratio at Chauncey H Duker School?
The student-teacher ratio at Chauncey H Duker School is 12:1, which is 14% lower than the Illinois average of 14:1 and 24% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Chauncey H Duker School?
The largest demographic group at Chauncey H Duker School is White at 66.7% of enrollment, in Mchenry, IL.
What is the Resource Investment Index for Chauncey H Duker School?
Chauncey H Duker School has a Resource Investment Index of 45/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Chauncey H Duker School rank among elementary schools in Mchenry?
By Resource Investment Index, Chauncey H Duker School ranks #1 of 4 elementary schools in Mchenry, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Mchenry on the city page.
What other schools are in Mchenry Ccsd 15?
Besides Chauncey H Duker School, Mchenry Ccsd 15 also operates Mchenry Middle School (695 students), Parkland School (645 students), and Riverwood Elementary School (619 students). See the Mchenry Ccsd 15 district page for the complete list.