- Enrollment
- 1,905
- Students per teacher
- 21.9:1
- Resource Index
- 22/100
Middle school (grades 6-8) · Scottsdale, AZ
Mountainside Middle School
Federal NCES profile for Mountainside Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 43/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 040757001562
👥 S:T ratio 33
🌟 Gifted program 70
🎓 Counselors 48
📋 Attendance 20
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mountainside Middle School earns 43/100 on the Resource Investment Index, with class sizes near the Arizona median.
- #3 of 7
- middle schools in Scottsdale · Resource Index
- 43
- Resource Index · Typical
- 16.7:1
- students per teacher
- 6.9%
- free-lunch eligible
Mountainside Middle School has class sizes near the Arizona median. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Mountainside Middle School ranks #3 of 7 middle schools in Scottsdale, AZ.
School address
District: Scottsdale Unified District (4240) · Arizona
NCES ID 040757001562 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-5 students YoY
Mountainside Middle School held near 545 students from 2022-23 to 2023-24 (-5 headcount).
Teacher FTE added 31.3 → 33.1 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-5 students YoY 040757001562 · Scottsdale, AZ Middle · MID · TRAD
518 enr · 16.7:1 · 6.9% lunch · RII 43
Nearest enrollment peer: Desert Mountain High School (1,905 students)
Mountainside Middle School held near 545 students from 2022-23 to 2023-24 (-5 headcount). Teacher FTE added 31.3 → 33.1 across the same CCD years. Read with this school → · District book → · Arizona schools → · Find another →
Mountainside Middle School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Desert Mountai
Desert Mountain High School
1,905 students
- Chaparral High
Chaparral High School
1,773 students
- Arcadia High S
Arcadia High School
1,679 students
- Saguaro High S
Saguaro High School
1,300 students
- Cheyenne Tradi
Cheyenne Traditional School
953 students
- This school 518
Mountainside Middle School
518 students
What this shows Mountainside Middle School reports 518 students on the CCD universe file.
How Mountainside Middle School compares
Mountainside Middle 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 | 16.7:1 | ▼ 2% | 17:1 | 15.7:1 |
| Free-lunch eligible | 6.9% | ▼ 86% | 48.3% | 51.7% |
| Enrollment | 518 | top 37% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.7:1
Leaner classes than 33% of US schools, heavier class loads than most.
518
Bigger than 64% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
6.9%
free-lunch eligible
- 86% below the Arizona average of 48.3%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
16.7:1
students per teacher
- 2% below state mean
Top 52% in Arizona - lower ratio than 48% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
32.0%
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
$11,306
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
Counselors2.0 FTE
Per 259 students, the combined health-and-guidance staffing load for this school.
Discipline context
29
in-school suspensions + 57 out-of-school
Suspension rate: 5.6 per 100 students. Combined in-school and out-of-school rate: 16.6 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 71.2%
Hispanic or Latino 10.8%
Asian 8.3%
African American 4.6%
Two or More 3.3%
American Indian / Alaska Native 1.4%
Native Hawaiian / Pacific Islander 0.4%
Largest group: White at 71.2% of enrollment.
Student-body diversity index 47.1/100
Simpson diversity index - at 47.1, Mountainside Middle School is about as mixed as the Arizona school average of 47.2.
Programs
Gifted & talented Yes
District finance for Scottsdale Unified District (4240) reports $11,306 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Mountainside Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Desert Mountain High School | Larger | Similar economic need | Higher S:T ratio |
| Chaparral High School | Larger | Similar economic need | Higher S:T ratio |
| Arcadia High School | Larger | Higher economic need | Higher S:T ratio |
| Saguaro High School | Larger | Higher economic need | Higher S:T ratio |
| Cheyenne Traditional School | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Mountainside Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,773
- Students per teacher
- 19.7:1
- Resource Index
- 33/100
- Enrollment
- 1,679
- Students per teacher
- 23.3:1
- Resource Index
- 27/100
- Enrollment
- 1,300
- Students per teacher
- 19.1:1
- Resource Index
- 31/100
- Enrollment
- 953
- Students per teacher
- 20.7:1
- Resource Index
- 42/100
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 (~518 students)
Frequently asked questions about Mountainside Middle School
How many students attend Mountainside Middle School?
Mountainside Middle School has 518 students enrolled. It is a middle school in Scottsdale, AZ. CCD year-over-year: 550 (2022-23) → 545 (2023-24), nearly flat (-5).
What is the student-teacher ratio at Mountainside Middle School?
The student-teacher ratio at Mountainside Middle School is 16.7:1, which is 2% lower than the Arizona average of 17:1 and 6% higher 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 Mountainside Middle School?
6.9% of students at Mountainside Middle School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Mountainside Middle School?
The largest demographic group at Mountainside Middle School is White at 71.2% of enrollment, in Scottsdale, AZ.
What is the Resource Investment Index for Mountainside Middle School?
Mountainside Middle School has a Resource Investment Index of 43/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Mountainside Middle School rank among middle schools in Scottsdale?
By Resource Investment Index, Mountainside Middle School ranks #3 of 7 middle schools in Scottsdale, 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 Scottsdale on the city page.
What other schools are in Scottsdale Unified District (4240)?
Besides Mountainside Middle School, Scottsdale Unified District (4240) also operates Desert Mountain High School (1,905 students), Chaparral High School (1,773 students), and Arcadia High School (1,679 students). See the Scottsdale Unified District (4240) district page for the complete list.