Mountainside Middle School
Public
Middle Grades 6–8
Part of Scottsdale Unified District (4240)
11256 N 128TH ST, SCOTTSDALE, AZ 85259 · (480) 484-5500
Community ratings
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Academic performance
Math proficiency54%
State average 31.2%
Reading / language arts58%
State average 38.5%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
518Students enrolled
16:1Student–teacher ratio
CitySetting
Regular SchoolSchool type
Enrollment by grade
Grade 6137
Grade 7191
Grade 8190
Students
White · 71%369
Hispanic · 11%56
Asian · 8%43
Black · 5%24
Two or more races · 3%17
American Indian/Alaska Native · 1%7
Native Hawaiian/Pacific Islander · 0%2
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
488’20
532’21
550’22
545’23
518’24
Location
11256 N 128TH ST SCOTTSDALE
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.