- Enrollment
- 603
- Students per teacher
- 17.7:1
- Resource Index
- 20/100
Other / mixed grade configuration · Phoenix, AZ
Clarendon School
Federal NCES profile for Clarendon School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 23/100.
2024-25 NCES dataOther / mixed grade configurationNCES 040567000459
👥 S:T ratio 38
🌟 Gifted program 30
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Clarendon School earns 23/100 on the Resource Investment Index, with class sizes near the Arizona median.
- #127 of 179
- schools in Phoenix · Resource Index
- 23
- Resource Index · Lower
- 15.6:1
- students per teacher
- 68.8%
- free-lunch eligible
Clarendon School has class sizes near the Arizona median. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Clarendon School ranks #127 of 179 schools in Phoenix, AZ.
School address
District: Osborn Elementary District (4262) · Arizona
NCES ID 040567000459 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-9 students YoY
Clarendon School held near 411 students from 2022-23 to 2023-24 (-9 headcount).
Teacher FTE lost 27.3 → 23.3 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-9 students YoY 040567000459 · Phoenix, AZ Other · SMALL · TRAD
420 enr · 15.6:1 · 68.8% lunch · RII 23
Nearest enrollment peer: Encanto School (603 students)
Clarendon School held near 411 students from 2022-23 to 2023-24 (-9 headcount). Teacher FTE lost 27.3 → 23.3 across the same CCD years. Read with this school → · District book → · Arizona schools → · Find another →
Clarendon 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
- This school
Clarendon School
420 students
- Osborn Middle
Osborn Middle School
418 students
- Montecito Comm 128
Montecito Community School
128 students
What this shows Clarendon School reports 420 students on the CCD universe file.
How Clarendon School compares
Clarendon School held steady on CCD headcount: ratios and free-lunch share vs Arizona and U.S. means.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.6:1 | ▼ 8% | 17:1 | 15.7:1 |
| Free-lunch eligible | 68.8% | ▲ 42% | 48.3% | 51.7% |
| Enrollment | 420 | top 49% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.6:1
Leaner classes than 41% of US schools, a middle-of-the-pack class size.
420
Bigger than 50% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
68.8%
free-lunch eligible
- 42% 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
15.6:1
students per teacher
- 8% below state mean
Top 42% in Arizona - lower ratio than 58% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
51.0%
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
4
in-school suspensions + 26 out-of-school
Suspension rate: 1.0 per 100 students. Combined in-school and out-of-school rate: 7.1 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 68.6%
White 12.1%
African American 9.8%
Two or More 4.0%
American Indian / Alaska Native 3.8%
Asian 1.7%
Largest group: Hispanic or Latino at 68.6% of enrollment.
Student-body diversity index 50.2/100
Simpson diversity index - at 50.2, Clarendon School is more mixed than the Arizona school average of 47.2.
Programs
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 Clarendon 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 |
| Osborn Middle School | Similar size | Similar economic need | Lower S:T ratio |
| Montecito Community School | Smaller | Higher economic need | Higher S:T ratio |
Comparisons are relative to Clarendon 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
- 418
- Students per teacher
- 13.1:1
- Resource Index
- 39/100
- Enrollment
- 128
- Students per teacher
- 18.3:1
- Resource Index
- 50/100
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.
Similar enrollment (~420 students)
Frequently asked questions about Clarendon School
How many students attend Clarendon School?
Clarendon School has 420 students enrolled. It is a public school in Phoenix, AZ. CCD year-over-year: 420 (2022-23) → 411 (2023-24), nearly flat (-9).
What is the student-teacher ratio at Clarendon School?
The student-teacher ratio at Clarendon School is 15.6:1, which is 8% lower than the Arizona average of 17:1 and 1% 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 Clarendon School?
68.8% of students at Clarendon School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Clarendon School?
The largest demographic group at Clarendon School is Hispanic or Latino at 68.6% of enrollment, in Phoenix, AZ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 50.2/100.
What is the Resource Investment Index for Clarendon School?
Clarendon School has a Resource Investment Index of 23/100 (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).
How does Clarendon School rank among schools in Phoenix?
By Resource Investment Index, Clarendon School ranks #127 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 Osborn Elementary District (4262)?
Besides Clarendon 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.