John M Andersen Jr High School

1255 N Dobson Rd
Chandler, AZ 85224
(School attendance zone shown in map)
: 
4/
10
Bottom 50%
John M Andersen Jr High School in Chandler, AZ serves 743 students in grades 6–8 with a student–teacher ratio of 19:1, which is higher than the state average ratio of 17 to 1.
Math proficiency is 18%, which is lower than the Arizona state average of 34% and significantly below the Chandler Unified District average of 53%; math scores have declined from 29% in 2018 to 18% in 2023.
Reading proficiency stands at 36%, which is lower than the state average of 40% and the district average of 58%; reading proficiency has remained relatively stable but below district and state averages in recent years.
Science proficiency is 23%, approximately equal to the state average of 24% but lower than the district average of 35%, indicating modest performance in science relative to local benchmarks.
Minority enrollment represents 80% of the student body, with 537 students eligible for free lunch and 55 for reduced–price lunch, reflecting sustained socioeconomic diversity and high Title I eligibility in this Chandler public middle school.

Quick Facts (26-27)

  • Grades: 6-8
  • Enrollment: 772 students
  • Student-Teacher Ratio: 16:1
  • Minority Enrollment: 81%
  • : Bottom 50% in AZ
  • : 18% (Btm 50%)
  • : 36% (Top 50%)
  • : 23% (Top 50%)
  • : John M Andersen Jr High School is located in the northwest part of Chandler, AZ, serving an attendance area of approximately 9.2 square miles. Families within this zone typically have a drive of 5 to 10 minutes to the school, with the furthest edge being about 3.1 miles away.
  • Source: National Center for Education Statistics (NCES), AZ Dept. of Education

School Overview

John M Andersen Jr High School's student population of 772 students has declined by 14% over five school years.
The teacher population of 48 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 6-8
(No virtual instruction)
Total Students
772 students

Showing 2015–2025. Full 37-year historical data available below ↓

Total Classroom Teachers
48 teachers

Showing 2015–2025. Full 37-year historical data available below ↓

School Calendar

School Rankings

John M Andersen Jr High School ranks within the bottom 50% of all 1,921 schools in Arizona (based off of combined math and reading proficiency testing data).
The diversity score of John M Andersen Jr High School is 0.61, 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.
This School
State Level (AZ)
#1170 out of 1921 schools
(Bottom 50%)

Showing 2013–2023. Full 14-year historical data available below ↓

18%
34%

Showing 2013–2023. Full 14-year historical data available below ↓

36%
40%

Showing 2012–2022. Full 13-year historical data available below ↓

23%
24%
Student-Teacher Ratio
16:1
17:1

Showing 2015–2025. Full 37-year historical data available below ↓

American Indian
4%
5%

Showing 2015–2025. Full 36-year historical data available below ↓

Asian
4%
3%

Showing 2015–2025. Full 36-year historical data available below ↓

Hispanic
59%
49%

Showing 2015–2025. Full 36-year historical data available below ↓

Black
9%
6%

Showing 2015–2025. Full 36-year historical data available below ↓

White
19%
33%

Showing 2015–2025. Full 36-year historical data available below ↓

Two or more races
5%
4%

Showing 2015–2025. Full 12-year historical data available below ↓

All Ethnic Groups
81%
0.61

Showing 2015–2025. Full 36-year historical data available below ↓

(22-23)
38.7%
41.2%
Eligible for Free Lunch
70%
41%

Showing 2015–2025. Full 22-year historical data available below ↓

Eligible for Reduced Lunch
7%
10%

Showing 2014–2025. Full 22-year historical data available below ↓

School Statewide Testing
Source: National Center for Education Statistics (NCES), AZ Dept. of Education

Frequently Asked Questions

What is John M Andersen Jr High School's ranking?
John M Andersen Jr High School is ranked #1170 out of 1,921 schools, which ranks it among the bottom 50% of public schools in Arizona.
What percent of students have achieved state testing proficiency in math and reading?
18% of students have achieved math proficiency (compared to the 34% AZ state average), while 36% of students have achieved reading proficiency (compared to the 40% AZ state average).
How many students attend John M Andersen Jr High School?
772 students attend John M Andersen Jr High School.
What is the racial composition of the student body?
59% of John M Andersen Jr High School students are Hispanic, 19% of students are White, 9% of students are Black, 5% of students are Two or more races, 4% of students are American Indian, and 4% of students are Asian.
What is the student-teacher ratio of John M Andersen Jr High School?
John M Andersen Jr High School has a student ration of 16:1, which is lower than the Arizona state average of 17:1.
What grades does John M Andersen Jr High School offer ?
John M Andersen Jr High School offers enrollment in grades 6-8 (No virtual instruction).
What school district is John M Andersen Jr High School part of?
John M Andersen Jr High School is part of Chandler Unified District #80 (4242).

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Quick Facts (26-27)

  • Grades: 6-8
  • Enrollment: 772 students
  • Student-Teacher Ratio: 16:1
  • Minority Enrollment: 81%
  • : Bottom 50%
  • : 18% (Btm 50%)
  • : 36% (Top 50%)
  • : 23% (Top 50%)
  • : John M Andersen Jr High School is located in the northwest part of Chandler, AZ, serving an attendance area of approximately 9.2 square miles. Families within this zone typically have a drive of 5 to 10 minutes to the school, with the furthest edge being about 3.1 miles away.
  • Source: National Center for Education Statistics (NCES), AZ Dept. of Education

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