Enrollment
474
Arizona · 2024-25 NCES data
Other / mixed grade configuration · Phoenix, AZ
Moon Mountain School
Federal NCES profile for Moon Mountain School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
2024-25 NCES dataOther / mixed grade configurationNCES 040906000931
👥 S:T ratio 44
🌟 Gifted program 70
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Moon Mountain School earns 38/100 on the Resource Investment Index, with class sizes smaller than 73% of Arizona schools.
- #48 of 179
- schools in Phoenix · Resource Index
- 38
- Resource Index · Typical
- 13.9:1
- small classes for Arizona
- 72.8%
- free-lunch eligible
Moon Mountain School has class sizes smaller than 73% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Moon Mountain School ranks #48 of 179 schools in Phoenix, AZ.
School address
District: Washington Elementary School District (4260) · Arizona
NCES ID 040906000931 Verify on NCES CCD record →
Teachers (FTE)
34.0
Federal CCD staff survey
Students per teacher
13.9:1
vs 17:1 Arizona avg
-18% vs state
Free-lunch eligible
72.8%
vs 48.3% Arizona avg
+51% vs state
Student-teacher ratio in context
How Moon Mountain School compares with Arizona and U.S. medians
What stands out at Moon Mountain School
Moon Mountain School is a higher-need, mid-sized combined-grade school in Phoenix, Arizona, enrolling 474 students.
Class sizes run a bit leaner than typical: 13.9:1 puts it in the smaller third of Arizona schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 72.8% of students eligible for free meals.
With 474 students, its enrollment sits close to the Arizona median campus size.
Its Resource Investment Index lands in the upper third of 2,064 scored Arizona schools.
Against 300 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #59.
Its student body is led by Hispanic or Latino (58%) and White (22%) (diversity index 60/100).
Chronic absenteeism is elevated: 62.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 24.8% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Phoenix's public schools, it stands alongside Pan-American Charter School (1,221 students): Moon Mountain School is smaller than that campus by headcount.
Washington Elementary School District (4260) also operates Lookout Mountain School (979 students) and Mountain View Elementary School (903 students) alongside Moon Mountain School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Moon Mountain School compares
Moon Mountain School on the metrics families compare, against Arizona and U.S. means.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.9:1 | ▼ 18% | 17:1 | 15.7:1 |
| Free-lunch eligible | 72.8% | ▲ 51% | 48.3% | 51.7% |
| Enrollment | 474 | top 42% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.9:1
Leaner classes than 58% of US schools, a middle-of-the-pack class size.
474
Bigger than 58% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
72.8%
free-lunch eligible
- 51% 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
13.9:1
students per teacher
- 18% below state mean
Top 27% in Arizona - lower ratio than 73% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
62.9%
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
$10,856
per pupil, district-wide
- below Arizona avg of $13,145
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
25
in-school suspensions + 22 out-of-school
Suspension rate: 5.3 per 100 students. Combined in-school and out-of-school rate: 9.9 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Hispanic or Latino 58.0%
White 21.7%
African American 8.0%
Two or More 7.4%
American Indian / Alaska Native 4.4%
Asian 0.4%
Largest group: Hispanic or Latino at 58.0% of enrollment.
Student-body diversity index 60.3/100
Simpson diversity index - at 60.3, Moon Mountain School is more mixed than the Arizona school average of 47.2.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Washington Elementary School District (4260), which includes Moon Mountain School.
$10,856
Per student
-17%
vs Arizona
Avg $13,145
-35%
vs U.S.
Avg $16,593
Revenue mix
Local 29.7%
State 45.6%
Federal 24.8%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Moon Mountain School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lookout Mountain School | Larger | Lower economic need | Higher S:T ratio |
| Mountain View Elementary School | Larger | Higher economic need | Similar S:T ratio |
| Acacia Elementary School | Larger | Similar economic need | Higher S:T ratio |
| Orangewood School | Larger | Similar economic need | Higher S:T ratio |
| Palo Verde Middle School | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Moon Mountain School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 979
- Students per teacher
- 22.8:1
- Resource Index
- 29/100
- Enrollment
- 903
- Students per teacher
- 14.8:1
- Resource Index
- 37/100
- Enrollment
- 806
- Students per teacher
- 19.7:1
- Resource Index
- 30/100
- Enrollment
- 797
- Students per teacher
- 17.7:1
- Resource Index
- 33/100
- Enrollment
- 797
- Students per teacher
- 15:1
- Resource Index
- 37/100
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
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Arizona, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~474 students)
Next steps
Verify locally before acting on Moon Mountain School's federal record.
- Compare Moon Mountain School against another school. Compare schools
- Washington Elementary School District (4260)'s spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Moon Mountain School
How many students attend Moon Mountain School?
Moon Mountain School has 474 students enrolled. It is a public school in Phoenix, AZ.
What is the student-teacher ratio at Moon Mountain School?
The student-teacher ratio at Moon Mountain School is 13.9:1, which is 18% lower than the Arizona average of 17:1 and 11% 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 Moon Mountain School?
72.8% of students at Moon Mountain School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Moon Mountain School?
The largest demographic group at Moon Mountain School is Hispanic or Latino at 58.0% of enrollment, in Phoenix, AZ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 60.3/100.
What is the Resource Investment Index for Moon Mountain School?
Moon Mountain School has a Resource Investment Index of 38/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Moon Mountain School rank among schools in Phoenix?
By Resource Investment Index, Moon Mountain School ranks #48 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.
Is Moon Mountain School a good school?
Moon Mountain School earns 38/100 on the Resource Investment Index, with class sizes smaller than 73% of Arizona schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Washington Elementary School District (4260)?
Besides Moon Mountain School, Washington Elementary School District (4260) also operates Lookout Mountain School (979 students), Mountain View Elementary School (903 students), and Acacia Elementary School (806 students). See the Washington Elementary School District (4260) district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.