At a glance
Reported students
433
NCES CCD 2024–25
Teachers (FTE)
36.9
NCES CCD 2024–25
Student–teacher ratio
11.7:1
Calculated; not a class-size measure
Grades served
04–05
NCES preliminary directory 2025–26
School benchmarks
Illinois elementary enrollment
65th percentile
Compared with 2,323 same-level schools reporting enrollment.
District median enrollment
526
Chauncey H Duker School: 433 reported students.
State peer staffing position
28th percentile
11.7:1 reported; state peer median 13.1:1. Ratio is not class size.
Historical enrollment and staffing · CRDC 2021–22
These older figures are kept separate from 2024–25 statistics and benchmarks. Differences between years can reflect changes in enrollment, staffing, or reporting scope.
- Students
- 396
- Teachers (FTE)
- 34
- Student–teacher ratio
- 11.6:1
What the reported data says about Chauncey H Duker School
Chauncey H Duker School is a public elementary school serving grades 04–05 in McHenry. It is one of 8 current school records connected to McHenry CCSD 15. NCES reports 433 students for 2024–25.
Among 2,323 elementary schools in Illinois with comparable records, this school is larger than the reported median of 365 students. Its enrollment is at approximately the 65th percentile for that peer group. Size describes the campus, not instructional quality.
The reported student–teacher ratio is 11.7:1, below the Illinois median of 13.1:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.
The largest reported race and ethnicity groups are White (66.7%) and Hispanic or Latino (25.2%). English learners represent 19.7% of enrollment. Students served under IDEA represent 18.2%. These figures help families understand who the school serves; they are not rating inputs.
Questions worth asking Chauncey H Duker School
- 1How do the reported 11.7:1 student–teacher ratio and 36.9 teacher FTE translate into actual class sizes by grade?
- 2Which advanced, gifted, career, arts, and computer-science courses are available this year, and how do students qualify?
- 3What counseling support is available today? The school reported 0 counselor FTE in 2021–22.
- 4What meal assistance, transportation, after-school, and family-support services are currently available?
Enrollment needs
- English learners
- 19.7%
- Students with disabilities
- 18.2%
- Free/reduced-price lunch
- 43.2%
- Lunch program
- Yes participating without using any Provision or the CEO
Reported support staff
- Counselors (FTE)
- 0
- Nurses (FTE)
- 0
- Psychologists (FTE)
- 0
- Social workers (FTE)
- 0
CRDC 2021–22 full-time-equivalent counts; verify current assignments with the school.
Student demographics
Race and ethnicity share of reported enrollment
- White66.7%
- Hispanic25.2%
- Black2.8%
- Asian0.9%
- American Indian / Alaska Native0%
- Native Hawaiian / Pacific Islander0%
- Multiracial4.4%
Race/ethnicity: NCES CCD 2024–25. English learner and disability context: CRDC 2021–22. Lunch eligibility: NCES CCD 2024–25. Privacy rules can produce missing values.
Programs reported by the school
Gifted and talented
Not reported as offered
CRDC 2021–22: the AP flag records student enrollment; gifted and computer-science fields describe reported programs/classes. Confirm current courses and eligibility with the school.
Other schools in McHenry CCSD 15
Start with campuses at the same school level or with similar reported enrollment.
Hilltop Elem School
Elementary · Grades KG–03
424 reported students
Edgebrook Elem School
Elementary · Grades KG–03
494 reported students
Valley View Elem School
Elementary · Grades KG–05
526 reported students
Riverwood Elementary School
Elementary · Grades KG–05
619 reported students
Parkland School
Middle · Grades 06–08
645 reported students
McHenry Middle School
Middle · Grades 06–08
695 reported students