Mountainside Middle School

11256 N 128th St, Scottsdale, AZ 85259

ASchola Grade
Grades
6–8
Middle
Students
518
Enrolled 2024–25
Students per teacher
16.2 : 1
Full-time teachers
District
Scottsdale Unified District (4240)
Maricopa County

Schola Grade A · Excellent

Letter grade (A–F) · compared with 206 Arizona middle schools · How we grade
Test scores52% proficient in math & reading
91stpercentile
Equity37% of low-income students proficient
86thpercentile
Attendance37% chronically absent
69thpercentile
Class size16.2 students per teacher
67thpercentile

Percentiles compare this school with other Arizona middle schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Mountainside Middle School

Mountainside Middle School is a public middle school in Scottsdale, Arizona, serving grades 6–8. It is part of Scottsdale Unified District (4240). The school is located in a midsize city in Maricopa County.

In the 2024–25 school year, 518 students were enrolled, with about 16.2 students for every full-time teacher. That ratio is smaller than the typical Arizona middle school (18.1 students per teacher). Its Schola Grade is A (excellent), compared with 206 Arizona middle schools.

Grades & enrollment

Students per grade, 2024–25Grades 6–8

Location & nearby schools

11256 N 128th St
Scottsdale, AZ 85259
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School details

Type
Public School · What this means
Level
Middle
Grades offered
6–8
Enrollment (2024–25)
518 students
Students per teacher
16.2 to 1
Charter school
No
Magnet school
No
Locale
City — Midsize
School district
Scottsdale Unified District (4240)
County
Maricopa County
NCES school ID
040757001562

Schools near Mountainside Middle School

All 80 schools in Scottsdale →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.