- Enrollment
- 256
- Students per teacher
- 19.7:1
- Resource Index
- 17/100
High school (grades 9-12) · Duncan, AZ
Duncan High School
Federal NCES profile for Duncan High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 29/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 040260000196
👥 S:T ratio 36
🌟 Gifted program 30
📋 Attendance 20
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Duncan High School earns 29/100 on the Resource Investment Index, with class sizes near the Arizona median.
- 29
- Resource Index · Lower
- 16.1:1
- students per teacher
- 32.6%
- free-lunch eligible
- 113
- students enrolled
Duncan High School has class sizes near the Arizona median. Computed live against every Arizona school reporting to NCES.
School address
District: Duncan Unified District (4228) · Arizona
NCES ID 040260000196 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-11 students YoY
Duncan High School shrank from 132 students in 2022-23 to 121 in 2023-24 (-8.3%).
Teacher FTE lost 7.8 → 6.8 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-11 students YoY 040260000196 · Duncan, AZ High · SMALL · TRAD
113 enr · 16.1:1 · 32.6% lunch · RII 29
Nearest enrollment peer: Duncan Elementary (256 students)
Duncan High School shrank from 132 students in 2022-23 to 121 in 2023-24 (-8.3%). Teacher FTE lost 7.8 → 6.8 across the same CCD years. Read with this school → · District book → · Arizona schools → · Find another →
How Duncan High School compares
Duncan High School is a shrinking campus on CCD: ratios and free-lunch share vs Arizona and U.S. means.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.1:1 | ▼ 5% | 17:1 | 15.7:1 |
| Free-lunch eligible | 32.6% | ▼ 33% | 48.3% | 51.7% |
| Enrollment | 113 | top 81% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.1:1
Leaner classes than 37% of US schools, a middle-of-the-pack class size.
113
Bigger than 11% of US schools by enrollment, a small campus.
Equity indicators methodology
Economic need
32.6%
free-lunch eligible
- 33% below the Arizona average of 48.3%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
16.1:1
students per teacher
- 5% below state mean
Top 46% in Arizona - lower ratio than 54% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
31.9%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$11,287
per pupil, district-wide
- below Arizona avg of $13,502
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
5
in-school suspensions + 23 out-of-school
Suspension rate: 4.4 per 100 students. Combined in-school and out-of-school rate: 24.8 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 79.6%
Hispanic or Latino 17.7%
Two or More 1.8%
American Indian / Alaska Native 0.9%
Largest group: White at 79.6% of enrollment.
Student-body diversity index 33.5/100
Simpson diversity index - at 33.5, Duncan High School is less mixed than the Arizona school average of 47.2.
Programs
AP program Not offered
District finance for Duncan Unified District (4228) reports $11,287 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Duncan High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Duncan Elementary | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Duncan High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
Nationwide high 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 (~113 students)
Similar student-teacher ratio (~16.1:1)
Frequently asked questions about Duncan High School
How many students attend Duncan High School?
Duncan High School has 113 students enrolled. It is a high school in Duncan, AZ. CCD year-over-year: 132 (2022-23) → 121 (2023-24), down 11.
What is the student-teacher ratio at Duncan High School?
The student-teacher ratio at Duncan High School is 16.1:1, which is 5% lower than the Arizona average of 17:1 and 3% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Duncan High School?
32.6% of students at Duncan High School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Duncan High School?
The largest demographic group at Duncan High School is White at 79.6% of enrollment, in Duncan, AZ.
What is the Resource Investment Index for Duncan High School?
Duncan High School has a Resource Investment Index of 29/100 (lower 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).
What other schools are in Duncan Unified District (4228)?
Besides Duncan High School, Duncan Unified District (4228) also operates Duncan Elementary (256 students). See the Duncan Unified District (4228) district page for the complete list.