Enrollment
3,379
Arizona · 2024-25 NCES data
High school (grades 9-12) · Mesa, AZ
Red Mountain High School
Federal NCES profile for Red Mountain High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 53/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 040497001411
👥 S:T ratio 18
📚 AP courses 100
🌟 Gifted program 70
🎓 Counselors 25
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Red Mountain High School earns 53/100 on the Resource Investment Index, with class sizes larger than 78% of Arizona schools. It is also one of the largest schools in Arizona.
- #8 of 13
- high schools in Mesa · Resource Index
- 53
- Resource Index · Higher
- 20.4:1
- large classes for Arizona
- 21.0%
- free-lunch eligible
Red Mountain High School has class sizes larger than 78% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Red Mountain High School ranks #8 of 13 high schools in Mesa, AZ.
School address
District: Mesa Unified District (4235) · Arizona
NCES ID 040497001411 Verify on NCES CCD record →
Teachers (FTE)
166.0
Federal CCD staff survey
Students per teacher
20.4:1
vs 17:1 Arizona avg
+20% vs state
Free-lunch eligible
21.0%
vs 48.3% Arizona avg
-57% vs state
Student-teacher ratio in context
How Red Mountain High School compares with Arizona and U.S. medians
What stands out at Red Mountain High School
Red Mountain High School is a large high school in Mesa, Arizona, enrolling 3,379 students.
Class loads run somewhat heavier than typical: 20.4:1 puts it in the larger third of Arizona schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 21.0% of students eligible for free meals.
By headcount it is one of the larger campuses in Arizona, bigger than 99% of state schools at 3,379 students.
Its Resource Investment Index lands in the upper third of 2,064 scored Arizona schools.
Among 25 similarly sized, similarly resourced-need Arizona schools statewide, it ranks #2, a top-tier result once campus size and economic need are matched.
Its student body is led by White (59%) and Hispanic or Latino (30%) (diversity index 56/100).
On the academic-pipeline side it reports 22 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 375 students sharing each counselor, though short of the most stretched campuses.
Its district draws 18.1% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Mesa's high schools, it stands alongside Aaec Online (51 students): Red Mountain High School is larger than that campus by headcount.
Mesa Unified District (4235) also operates Mountain View High School (3,421 students) and Mesa High School (3,233 students) alongside Red Mountain High 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 Red Mountain High School compares
Red Mountain High 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 | 20.4:1 | ▲ 20% | 17:1 | 15.7:1 |
| Free-lunch eligible | 21.0% | ▼ 57% | 48.3% | 51.7% |
| Enrollment | 3,379 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
20.4:1
Leaner classes than 15% of US schools, heavier class loads than most.
3,379
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
21.0%
free-lunch eligible
- 57% 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
20.4:1
students per teacher
- 20% above state mean
Top 78% in Arizona - lower ratio than 22% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Funding equity
$11,160
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
Counselors9.0 FTE
Per 375 students, the combined health-and-guidance staffing load for this school.
Discipline context
147
in-school suspensions + 177 out-of-school
Suspension rate: 4.4 per 100 students. Combined in-school and out-of-school rate: 9.6 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
White 59.2%
Hispanic or Latino 29.9%
Two or More 4.2%
African American 3.4%
Asian 1.5%
American Indian / Alaska Native 1.2%
Native Hawaiian / Pacific Islander 0.7%
Largest group: White at 59.2% of enrollment.
Student-body diversity index 55.7/100
Simpson diversity index - at 55.7, Red Mountain High School is more mixed than the Arizona school average of 47.2.
Programs
AP courses offered 22
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Mesa Unified District (4235), which includes Red Mountain High School.
$11,160
Per student
-15%
vs Arizona
Avg $13,145
-33%
vs U.S.
Avg $16,593
Revenue mix
Local 37.4%
State 44.5%
Federal 18.1%
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 Red Mountain High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mountain View High School | Similar size | Similar economic need | Similar S:T ratio |
| Mesa High School | Similar size | Higher economic need | Similar S:T ratio |
| Westwood High School | Similar size | Higher economic need | Lower S:T ratio |
| Dobson High School | Smaller | Higher economic need | Similar S:T ratio |
| Skyline High School | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Red Mountain High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,421
- Students per teacher
- 21.4:1
- Resource Index
- 36/100
- Enrollment
- 3,233
- Students per teacher
- 19.5:1
- Resource Index
- 40/100
- Enrollment
- 3,135
- Students per teacher
- 18.4:1
- Resource Index
- 45/100
- Enrollment
- 2,284
- Students per teacher
- 19.5:1
- Resource Index
- 39/100
- Enrollment
- 1,995
- Students per teacher
- 13.8:1
- Resource Index
- 49/100
Similar high schools in Mesa
2 comparable high schools (grades 9-12) serving the same city.
Similar high 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 (~3,379 students)
Similar student-teacher ratio (~20.4:1)
Next steps
Verify locally before acting on Red Mountain High School's federal record.
- Compare Red Mountain High School against another school. Compare schools
- Mesa Unified District (4235)'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 Red Mountain High School
How many students attend Red Mountain High School?
Red Mountain High School has 3,379 students enrolled. It is a high school in Mesa, AZ.
What is the student-teacher ratio at Red Mountain High School?
The student-teacher ratio at Red Mountain High School is 20.4:1, which is 20% higher than the Arizona average of 17:1 and 30% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Red Mountain High School?
21.0% of students at Red Mountain High School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Red Mountain High School?
The largest demographic group at Red Mountain High School is White at 59.2% of enrollment, in Mesa, AZ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 55.7/100.
What is the Resource Investment Index for Red Mountain High School?
Red Mountain High School has a Resource Investment Index of 53/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Red Mountain High School rank among high schools in Mesa?
By Resource Investment Index, Red Mountain High School ranks #8 of 13 high schools in Mesa, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Mesa on the city page.
Is Red Mountain High School a good school?
Red Mountain High School earns 53/100 on the Resource Investment Index, with class sizes larger than 78% of Arizona schools. It is also one of the largest schools in Arizona. 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 Mesa Unified District (4235)?
Besides Red Mountain High School, Mesa Unified District (4235) also operates Mountain View High School (3,421 students), Mesa High School (3,233 students), and Westwood High School (3,135 students). See the Mesa Unified District (4235) 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.