Mountainside High School serves 378 students in grades 9-12.
The percentage of students achieving proficiency in math is 11-19% (which is lower than the Arizona state average of 34%).
The student-teacher ratio of 11:1 is lower than the Arizona state level of 17:1.
Minority enrollment is 54% of the student body (majority Hispanic), which is lower than the Arizona state average of 67% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 378 students
- Student-Teacher Ratio: 11:1
- Minority Enrollment: 54%
- Math Proficiency: 11-19% (Btm 50% in AZ)
- Source: National Center for Education Statistics (NCES), AZ Dept. of Education
School Overview
Mountainside High School's student population of 378 students has grown by 1300% over five school years.
The teacher population of 34 teachers has grown by 3300% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
378 students
Total Classroom Teachers
34 teachers
School Rankings
The diversity score of Mountainside High School is 0.60, which is less than the diversity score at state average of 0.66. The school's diversity has stayed relatively flat over five school years.
Math Test Scores (% Proficient)
11-19%
34%
Student-Teacher Ratio
11:1
17:1
American Indian
1%
5%
Asian
1%
3%
Hispanic
44%
49%
Black
4%
6%
White
46%
33%
Hawaiian
1%
n/a
Two or more races
3%
4%
All Ethnic Groups
Eligible for Free Lunch (22-23)
32%
39%
Eligible for Reduced Lunch (22-23)
4%
7%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), AZ Dept. of Education
Frequently Asked Questions
How many students attend Mountainside High School?
378 students attend Mountainside High School.
What is the racial composition of the student body?
46% of Mountainside High School students are White, 44% of students are Hispanic, 4% of students are Black, 3% of students are Two or more races, 1% of students are American Indian, 1% of students are Asian, and 1% of students are Hawaiian.
What is the student-teacher ratio of Mountainside High School?
Mountainside High School has a student ration of 11:1, which is lower than the Arizona state average of 17:1.
What grades does Mountainside High School offer ?
Mountainside High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Mountainside High School part of?
Mountainside High School is part of Nadaburg Unified School District (4252).
In what neighborhood is Mountainside High School located?
Mountainside High School is located in the Nadaburg neighborhood of Wittmann, AZ. There are 1 other public schools located in Nadaburg.
School Reviews
Review Mountainside High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
When “Free Public School” Still Isn’t Free
Discover the hidden costs of public school in 2026, from supplies and fees to transportation, technology, and extracurricular expenses.
What a District Budget Cut Means for Your Child's School Experience
Learn how district budget cuts can affect class sizes, programs, staffing, transportation, and your child's daily school experience in 2026.
School Closure Risk: What Parents Should Check Before Moving
Learn how parents can assess school closure risk before buying or renting in a district, using enrollment, funding, and boundary data.
