Mountainside Middle School
🇺🇸 Official data · 2025Scottsdale, Arizona 85259 · Scottsdale Unified District (4240)
#7 of 203 middle schools in Arizona
#2818 of 15,369 nationally
About Mountainside Middle School
Mountainside Middle School is a public middle school located in Scottsdale, in the Scottsdale Unified District (4240) school district of Arizona, United States. It caters for Grades 6–8. In 2025 it enrolled 518 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 72.6 out of 100, placing it in the top 25% of middle schools in United States and 7th of 203 ranked middle schools in Arizona. Its strongest component is reading proficiency (81th percentile), and its weakest is students per teacher (38th percentile).
Other published figures: enrollment 518.
There are 51 schools in Scottsdale; Mountainside Middle School ranks 25th of 48 scored schools there.
Success Index (US) breakdown
Each component is a percentile against middle schools across United States.
- Math proficiency (30%)63%
- Reading proficiency (30%)67%
- Community advantage (fewer free/reduced-price lunch) (25%)–
- Students per teacher (15%)16.2
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Mountainside Middle School by the official sources.
- Enrollment
- 518
- Students enrolled in the latest NCES directory year.
- Students per teacher
- 16.2
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 67%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 63%
- Share of tested students proficient or above (all students, all grades).
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Schools near Mountainside Middle School
Closest schools by straight-line distance, with their Success Index (US).
Desert Mountain High School
Scottsdale · Public high · Grades 9–12
1,905 students · 260 m away
Mission Montessori Academy
Scottsdale · Charter elementary · Grades K–8
129 students · 753 m away
BASIS Scottsdale
Scottsdale · Charter other · Grades 4–12
1,023 students · 790 m away
Anasazi Elementary
Scottsdale · Public elementary · Grades PK–5
423 students · 997 m away
BASIS Scottsdale Primary - East Campus
Scottsdale · Charter elementary · Grades K–5
489 students · 1.7 km away
Laguna Elementary School
Scottsdale · Public elementary · Grades PK–5
369 students · 4.8 km away
Cheyenne Traditional School
Scottsdale · Public elementary · Grades PK–8
953 students · 6.0 km away
Mission Montessori Academy's Middle Years Program
Phoenix · Charter middle · Grades 4–8
43 students · 6.4 km away
Desert Canyon Elementary
Scottsdale · Public elementary · Grades PK–5
453 students · 6.6 km away
Desert Canyon Middle School
Scottsdale · Public middle · Grades 6–8
423 students · 6.7 km away
Similar schools
Public middle schools in Arizona with a comparable Enrollment.
Valencia Middle School
Tucson · Public middle · Grades 6–8
520 students
Tortolita Middle School
Tucson · Public middle · Grades 7–8
512 students
Desert Sands Academy of Mass Communication & Journalism
Phoenix · Public middle · Grades 6–8
510 students
Page Middle School
Page · Public middle · Grades 6–8
510 students
Cactus Canyon Junior High
Apache Junction · Public middle · Grades 6–8
527 students
Show Low Junior High School
Show Low · Public middle · Grades 6–8
527 students
Frequently asked questions
Is Mountainside Middle School a good school?
Mountainside Middle School has a Success Index (US) of 72.6 out of 100 (Top 25% of middle schools in United States) and ranks #7 of 203 in Arizona. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Mountainside Middle School rank in Arizona?
Mountainside Middle School ranks #7 of 203 middle schools in Arizona and #2818 of 15,369 nationally on the Success Index (US) (2025 data).
How many students attend Mountainside Middle School?
Mountainside Middle School had 518 students in 2025.
Is Mountainside Middle School a elementary school or a high school?
Mountainside Middle School is classified as a middle school covering Grades 6–8. It is a public school.
What other schools are near Mountainside Middle School?
There are 10 schools within 15 km of Mountainside Middle School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.