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SCHOOL COMMUNITY·CHANDLER UNIFIED DISTRICT #80 (4242)·NCES 040187001400

John M Andersen Jr High School

1255 N DOBSON RD, CHANDLER, AZ 85224 · (480) 883-5300 · Maricopa County
GRADES 06–08MIDDLE11-CITYREGULAR SCHOOL772 STUDENTS
Enrollment
772
Middle
DISTRICT 934 · STATE 494
Student : Teacher
16.3:1
48 FTE teachers
DISTRICT 17.9:1 · STATE 17.8:1
Free / Reduced Lunch
,
Title I proxy
STATE 95%
Community
4
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 6
85
Grade 7
336
Grade 8
351
Student demographics
White
14519%
DISTRICT 43% · STATE 33%
Hispanic
45359%
DISTRICT 30% · STATE 48%
Black
699%
DISTRICT 5% · STATE 6%
Asian
304%
DISTRICT 13% · STATE 3%
Two+
395%
DISTRICT 7% · STATE 4%
Native American
314%
DISTRICT 2% · STATE 5%
Pacific Islander
51%
DISTRICT 0% · STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
40052%
Female
37248%

Discussions

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Test scores

AASA 2024-25 . % Passing
English Language Arts
28.0%
AZ avg 45.4% . -5.0pp since 2017
Math
11.0%
AZ avg 37.8% . -22.0pp since 2017

What this means: On the AASA, Arizona's statewide test, about 28 of every 100 students at this school read and write at grade level and about 11 of 100 do math at grade level. Across all Arizona schools, those numbers are about 45 and 38. Reading and writing scores are down about 5 points since 2017, while math scores are down about 22 points.

Source: AASA. All students, all grades. See all years and grades →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
772
-87 (-10%) vs 2017
Student : Teacher
16.3:1
was 18.8:1
% White
19%
was 28%
% Hispanic
59%
was 55%
% Black
9%
was 7%
% Asian
4%
was 3%
Source: NCES Common Core of Data

About John M Andersen Jr High School

Set in CHANDLER, Arizona, John M Andersen Jr High School is a large middle school, overseen by Chandler Unified District #80 (4242). It hosts 772 students across grades 6 through 8. Compared to the state average of about 494 students per school, that is 56% bigger than typical.

Within Chandler Unified District #80 (4242), which oversees 48 schools and 41,421 students, John M Andersen Jr High School is one campus in the system.

Demographically, John M Andersen Jr High School lists that 59% of the student body identifies as Hispanic. Other groups include 19% White, 9% Black, 5% multiracial, 4% Native American. The wider county runs roughly 31% Hispanic, putting the school's mix meaningfully more Hispanic than the area baseline.

On the resource side, On paper, John M Andersen Jr High School has 48 full-time-equivalent teachers, translating to a class-load average of around 16.3:1. Statewide, the average ratio sits near 17.8:1, putting John M Andersen Jr High School tighter than the state norm the norm.

In the broader community, community-level numbers for Maricopa County indicate the typical household earns roughly $89,300 per year, 37% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 8%. Across Maricopa County's 1352 public schools (combined enrollment of about 725,139 students), John M Andersen Jr High School is one campus in the mix.

John M Andersen Elementary School is the nearest neighboring public school, about 0.2 miles from this campus. Counting just inside five miles, 8 other public schools cluster around John M Andersen Jr High School.

Geographically, the school is in a city-core area.

Trend over the last 7 years. Looking back 7 years, enrollment at John M Andersen Jr High School has edged down 10%, going from 859 students in 2018 to 772 in 2025. The White share of enrollment fell from 28% to 19% over that span. Class-load math has narrowed: from 18.8:1 in 2018 to 16.3:1 in 2025.

Inside the community feed, members of the John M Andersen Jr High School community share and discuss enrollment questions, classroom assignments, and PTA news. Parents, students, alumni, and staff are welcome to weigh in.

Maricopa County at a glance

View full county profile
Population
4,559,748
Census ACS
Median income
$89,300
Household, ACS
Bachelor's+
37%
Adults 25+
Poverty rate
8%
Below federal line
Schools in county
1,352
725,139 students

Quick facts

School name
John M Andersen Jr High School
District
Chandler Unified District #80 (4242)
Address
1255 N DOBSON RD, CHANDLER, AZ 85224
Phone
(480) 883-5300
County
Maricopa County
Level
Middle
Grade range
06–08
Total enrollment
772
Teachers (FTE)
48
Student–teacher ratio
16.3:1
Locale
11-City: Large
NCES ID
040187001400
Charter school
No
Virtual school
No

Related schools

Other schools in Chandler Unified District #80 (4242)
Other schools in CHANDLER
Nearby schools

Frequently asked questions

About John M Andersen Jr High School
What is the total enrollment at John M Andersen Jr High School?
John M Andersen Jr High School enrolls approximately 772 students in grades 06-08.
What grades does John M Andersen Jr High School serve?
John M Andersen Jr High School serves grades 06-08.
How many teachers does John M Andersen Jr High School have?
John M Andersen Jr High School employs 48 FTE teachers, for a student-to-teacher ratio of 16.3:1.
What is the racial breakdown of students at John M Andersen Jr High School?
At John M Andersen Jr High School, the student body is approximately 19% White, 59% Hispanic, 9% Black, 4% Asian, 5% Two or more.
Who oversees John M Andersen Jr High School?
John M Andersen Jr High School is overseen by Chandler Unified District #80 (4242) in Maricopa County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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