- Enrollment
- 603
- Students per teacher
- 17.7:1
- Resource Index
- 20/100
Middle school (grades 6-8) · Phoenix, AZ
Osborn Middle School
Federal NCES profile for Osborn Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 39/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 040567000461
👥 S:T ratio 48
🌟 Gifted program 70
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Osborn Middle School earns 39/100 on the Resource Investment Index, with class sizes smaller than 79% of Arizona schools.
- #4 of 24
- middle schools in Phoenix · Resource Index
- 39
- Resource Index · Typical
- 13.1:1
- small classes for Arizona
- 75.0%
- free-lunch eligible
Osborn Middle School has class sizes smaller than 79% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Osborn Middle School ranks #4 of 24 middle schools in Phoenix, AZ.
School address
District: Osborn Elementary District (4262) · Arizona
NCES ID 040567000461 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-66 students YoY
Osborn Middle School shrank from 504 students in 2022-23 to 438 in 2023-24 (-13.1%).
Teacher FTE lost 32.5 → 22.5 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-66 students YoY 040567000461 · Phoenix, AZ Middle · SMALL · TRAD
418 enr · 13.1:1 · 75.0% lunch · RII 39
Nearest enrollment peer: Encanto School (603 students)
Osborn Middle School shrank from 504 students in 2022-23 to 438 in 2023-24 (-13.1%). Teacher FTE lost 32.5 → 22.5 across the same CCD years. Read with this school → · District book → · Arizona schools → · Find another →
Osborn Middle School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Encanto School
Encanto School
603 students
- Longview Eleme
Longview Elementary School
483 students
- Solano School
Solano School
466 students
- Clarendon Scho
Clarendon School
420 students
- This school
Osborn Middle School
418 students
- Montecito Comm 128
Montecito Community School
128 students
What this shows Osborn Middle School reports 418 students on the CCD universe file.
How Osborn Middle School compares
Osborn Middle 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 | 13.1:1 | ▼ 23% | 17:1 | 15.7:1 |
| Free-lunch eligible | 75.0% | ▲ 55% | 48.3% | 51.7% |
| Enrollment | 418 | top 49% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.1:1
Leaner classes than 66% of US schools, among the more generously staffed nationally.
418
Bigger than 50% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
75.0%
free-lunch eligible
- 55% above the Arizona average of 48.3%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
13.1:1
students per teacher
- 23% below state mean
Top 21% in Arizona - lower ratio than 79% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
72.5%
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
$13,458
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
42
in-school suspensions + 85 out-of-school
Suspension rate: 10.0 per 100 students. Combined in-school and out-of-school rate: 30.4 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 64.1%
African American 12.9%
White 11.5%
American Indian / Alaska Native 6.5%
Asian 2.6%
Two or More 2.2%
Native Hawaiian / Pacific Islander 0.2%
Largest group: Hispanic or Latino at 64.1% of enrollment.
Student-body diversity index 55.4/100
Simpson diversity index - at 55.4, Osborn Middle School is more mixed than the Arizona school average of 47.2.
Programs
Gifted & talented Yes
District finance for Osborn Elementary District (4262) reports $13,458 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Osborn Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Encanto School | Larger | Lower economic need | Higher S:T ratio |
| Longview Elementary School | Similar size | Similar economic need | Higher S:T ratio |
| Solano School | Similar size | Similar economic need | Higher S:T ratio |
| Clarendon School | Similar size | Similar economic need | Higher S:T ratio |
| Montecito Community School | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Osborn Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 483
- Students per teacher
- 17.9:1
- Resource Index
- 19/100
- Enrollment
- 466
- Students per teacher
- 20.3:1
- Resource Index
- 16/100
- Enrollment
- 420
- Students per teacher
- 15.6:1
- Resource Index
- 23/100
- Enrollment
- 128
- Students per teacher
- 18.3:1
- Resource Index
- 50/100
Similar middle schools in Phoenix
3 comparable middle schools (grades 6-8) serving the same city.
Nationwide middle 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 (~418 students)
Frequently asked questions about Osborn Middle School
How many students attend Osborn Middle School?
Osborn Middle School has 418 students enrolled. It is a middle school in Phoenix, AZ. CCD year-over-year: 504 (2022-23) → 438 (2023-24), down 66.
What is the student-teacher ratio at Osborn Middle School?
The student-teacher ratio at Osborn Middle School is 13.1:1, which is 23% lower than the Arizona average of 17:1 and 17% lower 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 Osborn Middle School?
75.0% of students at Osborn Middle School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Osborn Middle School?
The largest demographic group at Osborn Middle School is Hispanic or Latino at 64.1% of enrollment, in Phoenix, AZ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 55.4/100.
What is the Resource Investment Index for Osborn Middle School?
Osborn Middle School has a Resource Investment Index of 39/100 (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 Osborn Middle School rank among middle schools in Phoenix?
By Resource Investment Index, Osborn Middle School ranks #4 of 24 middle 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 middle schools in Phoenix on the city page.
What other schools are in Osborn Elementary District (4262)?
Besides Osborn Middle School, Osborn Elementary District (4262) also operates Encanto School (603 students), Longview Elementary School (483 students), and Solano School (466 students). See the Osborn Elementary District (4262) district page for the complete list.