- Enrollment
- 519
- Students per teacher
- -
- Resource Index
- 62/100
Other / mixed grade configuration · Phoenix, AZ
Robert L. Duffy High School
Federal NCES profile for Robert L. Duffy High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 30/100.
2024-25 NCES dataOther / mixed grade configurationNCES 040021902367Charter school
🌟 Gifted program 30
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Robert L. Duffy High School earns 30/100 on the Resource Investment Index on federal resource data.
- #85 of 179
- schools in Phoenix · Resource Index
- 30
- Resource Index · Lower
- 69.6%
- free-lunch eligible
- 56
- students enrolled
By Resource Investment Index, Robert L. Duffy High School ranks #85 of 179 schools in Phoenix, AZ.
School address
District: Career Success Schools (79047) · Arizona
NCES ID 040021902367 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+13 students YoY
Robert L. Duffy High School grew from 46 students in 2022-23 to 59 in 2023-24 (+28.3%).
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+13 students YoY 040021902367 · Phoenix, AZ Other · SMALL · CHARTER
56 enr · 69.6% lunch · RII 30
Nearest enrollment peer: Career Success Schools - Stem Academy 7-12 (519 students)
Robert L. Duffy High School grew from 46 students in 2022-23 to 59 in 2023-24 (+28.3%). NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Arizona schools → · Find another →
Robert L. Duffy High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Career Success
Career Success Schools - Stem Academy 7-12
519 students
- Tech Campus
Tech Campus
442 students
- Career Success 128
Career Success School - Sage Campus
128 students
- This school 56
Robert L. Duffy High School
56 students
What this shows Robert L. Duffy High School reports 56 students on the CCD universe file.
How Robert L. Duffy High School compares
Robert L. Duffy High School is a growing campus on CCD: ratios and free-lunch share vs Arizona and U.S. means.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Free-lunch eligible | 69.6% | ▲ 44% | 48.3% | 51.7% |
| Enrollment | 56 | top 88% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
56
Bigger than 6% of US schools by enrollment, a small campus.
Equity indicators methodology
Economic need
69.6%
free-lunch eligible
- 44% above the Arizona average of 48.3%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Funding equity
$6,934
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
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
Hispanic or Latino 75.0%
White 8.9%
African American 7.1%
Two or More 5.4%
American Indian / Alaska Native 3.6%
Largest group: Hispanic or Latino at 75.0% of enrollment.
Student-body diversity index 42.0/100
Simpson diversity index - at 42.0, Robert L. Duffy High School is less mixed than the Arizona school average of 47.2.
Programs
District finance for Career Success Schools (79047) reports $6,934 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Robert L. Duffy High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Career Success Schools - Stem Academy 7-12 | Larger | Lower economic need | No ratio data |
| Tech Campus | Larger | Lower economic need | No ratio data |
| Career Success School - Sage Campus | Larger | Similar economic need | No ratio data |
Comparisons are relative to Robert L. Duffy High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 442
- Students per teacher
- -
- Resource Index
- 21/100
- Enrollment
- 128
- Students per teacher
- -
- Resource Index
- 15/100
Similar other schools in Phoenix
6 comparable other schools (grades Mixed) serving the same city.
Pan-American Charter School
Standard public school
1,221 students
Great Hearts Academies - Anthem Prep
Standard public school
1,031 students
Westwind Elementary School
Standard public school
932 students 19.4:1 students per teacher
Stetson Hills School
Standard public school
887 students 17.4:1 students per teacher
Union Park School
Standard public school
873 students 19:1 students per teacher
Fireside Elementary School
Standard public school
693 students 15.1:1 students per teacher
Nationwide other 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.
Frequently asked questions about Robert L. Duffy High School
How many students attend Robert L. Duffy High School?
Robert L. Duffy High School has 56 students enrolled. It is an alternative school in Phoenix, AZ. CCD year-over-year: 46 (2022-23) → 59 (2023-24), up 13.
What percentage of students receive free lunch at Robert L. Duffy High School?
69.6% of students at Robert L. Duffy High School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Robert L. Duffy High School?
The largest demographic group at Robert L. Duffy High School is Hispanic or Latino at 75.0% of enrollment, in Phoenix, AZ.
What is the Resource Investment Index for Robert L. Duffy High School?
Robert L. Duffy High School has a Resource Investment Index of 30/100 (lower reported resources relative to schools nationally) based on 1 factor: gifted-program reporting. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
How does Robert L. Duffy High School rank among schools in Phoenix?
By Resource Investment Index, Robert L. Duffy High School ranks #85 of 179 schools in Phoenix, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Phoenix on the city page.
What other schools are in Career Success Schools (79047)?
Besides Robert L. Duffy High School, Career Success Schools (79047) also operates Career Success Schools - Stem Academy 7-12 (519 students), Tech Campus (442 students), and Career Success School - Sage Campus (128 students). See the Career Success Schools (79047) district page for the complete list.