A
Mountainside Middle School
PublicMiddleGrades 6–8
11256 N 128th St, Scottsdale, AZ 85259 · (480) 484-5500 · Part of Scottsdale Unified District
Students
518
Students per teacher
16:1
Setting
City
Grades
6–8
What stands out about Mountainside Middle School
- School Grade A: near the top of Arizona’s public schools
- Math proficiency 23 pts above the state
- Reading / language arts 20 pts above the state
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency54%
State average 31.2%
Reading / language arts58%
State average 38.5%
Location
Directions ↗
11256 N 128th St, Scottsdale
Students
Enrollment by grade
Grade 6137
Grade 7191
Grade 8190
Enrollment over time
488’20
532’21
550’22
545’23
518’24
Up 6.1% since 2020.
Who goes here
White 71%Hispanic 11%Asian 8%Black 5%Two or more races 3%American Indian/Alaska Native 1%Native Hawaiian/Pacific Islander <1%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
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Parents talk
Conversations in Town Square that mention Mountainside Middle School.
Other schools in Scottsdale Unified District
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.