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SCHOOL COMMUNITY·PHOENIX UNION HIGH SCHOOL DISTRICT (4286)·NCES 040633000552

South Mountain High School

5401 S 7TH ST, PHOENIX, AZ 85040 · (602) 764-5000 · Maricopa County
GRADES 09–12HIGH11-CITYREGULAR SCHOOL2,207 STUDENTS
F
allk12 Grade
Scored higher than 0% of Arizona public high schools
  • FTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • ·Beats expectations Not available for this school, so the grade uses the other parts.
  • ·Three-year trend Not available for this school, so the grade uses the other parts.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Arizona public high schools

Enrollment
2,207
High
DISTRICT 1,290 · STATE 631
Student : Teacher
20.7:1
107 FTE teachers
DISTRICT 18.3:1 · STATE 20.2:1
Free / Reduced Lunch
,
Title I proxy
STATE 95%
Community
6
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 958426%
Grade 1055625%
Grade 1159627%
Grade 1247121%
Student demographics
36%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 33% · STATE 65% · US 70%
White
643%
DISTRICT 4% · STATE 33% · US 43%
Hispanic
1,73779%
DISTRICT 81% · STATE 48% · US 30%
Black
33215%
DISTRICT 10% · STATE 6% · US 15%
Asian
100%
DISTRICT 1% · STATE 3% · US 6%
Two+
311%
DISTRICT 1% · STATE 4% · US 5%
Native American
281%
DISTRICT 2% · STATE 5% · US 1%
Pacific Islander
50%
DISTRICT 0% · STATE 0% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
1,15052%
Female
1,05748%

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Test scores

AASA 2023-24 . % Passing
English Language Arts
2.0%
AZ avg 42.2% . -14.0pp since 2017
Math
2.0%
AZ avg 35.1% . +0.0pp since 2017

What this means: On the AASA, Arizona's statewide test, about 2 of every 100 students at this school read and write at grade level and about 2 of 100 do math at grade level. Across all Arizona schools, those numbers are about 42 and 35. Reading and writing scores are down about 14 points since 2017, while math scores have held steady.

AASA results by year

School yearEnglish Language ArtsMath
2023-242.0%2.0%
2022-232.0%2.0%
2021-222.0%2.0%
2020-2114.0%2.0%
2018-1916.0%2.0%
2017-1816.0%2.0%
% Passing, all students and all tested grades.
Source: AASA. All students, all grades. See all years and grades →

Where South Mountain High School ranks

Among high schools
MeasureThis schoolIn ArizonaIn Maricopa County
Math proficiency
ranked highest first
2.0%#254 of 268
▼ 3
#144 of 144
▼ 3
Reading proficiency
ranked highest first
2.0%#254 of 267
▼ 5
#140 of 143
▼ 1
Enrollment
ranked largest first
2,207#37 of 510#31 of 248
Students per teacher
ranked fewest first
20.7:1#168 of 279#97 of 163
Diversity index
ranked most diverse first
35.7%#224 of 284#134 of 163
Enrollment change since 2017-18
ranked fastest growth first
+11.6%#75 of 128#40 of 68
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
2,207
-4 (0%) vs 2020
-16% since 1990-91, when it was 2,639
Student : Teacher
20.7:1
was 18.6:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-252,207106.620.7:1N/A
2023-242,171112.419.3:1N/A
2022-232,146111.219.3:185% (1,823)
2020-212,21111918.6:1N/A
2017-181,977109.618.0:184% (1,660)
2015-161,72210416.6:188% (1,523)
2010-111,82311016.6:15% (90)
2000-012,32913017.9:1N/A
1990-912,63919413.6:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for South Mountain High School.

Since 2017-18: students up 12% (1,977 to 2,207); teachers down 3% (109.6 to 106.6).

About South Mountain High School

South Mountain High School is a high-enrollment high school that serves part of PHOENIX, Arizona. The school serves grades 9 through 12. Enrollment is 2,207 students. That is 250% larger than the average of about 631 students for high schools in Arizona.

South Mountain High School is one school in Phoenix Union High School District (4286), a system of 20 schools with 25,800 students.

More than half of the students at South Mountain High School are Hispanic (79%). Other reported shares: 15% Black and 3% White. That compares with about 31% Hispanic among all Maricopa County residents. The diversity index for South Mountain High School is 36%. For US public schools as a whole it is 70%.

With 106.6 full-time-equivalent teachers, the student-to-teacher ratio is about 20.7:1. The average for high schools in Arizona is about 20.2:1.

South Mountain High School holds an F allk12 Grade, placing it above 0% of Arizona public high schools.

The school's county is Maricopa County. According to Census Bureau estimates, median household income comes to about $89,300, the share of adults with a bachelor's degree or higher is 37%, and about 8% of people live in poverty. Maricopa County's 1,352 public schools enroll about 725,139 students and include South Mountain High School.

South Mountain High School's closest public school neighbor is International Commerce High School - Phoenix, about 0.5 miles away. Within five miles of South Mountain High School, there are at least 8 other public schools.

The National Center for Education Statistics classifies the school's location as City: Large, meaning it is inside a principal city with a population of 250,000 or more.

Enrollment in 2024-25 was 2,207, close to the 2,211 recorded in 2020-21. In 2020-21, the student-to-teacher ratio was 18.6:1; by 2024-25 it was 20.7:1.

People who know South Mountain High School can post here about special education services, counseling, and support programs. Parents, students, alumni, and staff are welcome to post.

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
South Mountain High School
District
Phoenix Union High School District (4286)
Address
5401 S 7TH ST, PHOENIX, AZ 85040
Phone
(602) 764-5000
County
Maricopa County
Level
High
Grade range
09–12
Total enrollment
2,207
Teachers (FTE)
107
Student–teacher ratio
20.7:1
Locale
11-City: Large
NCES ID
040633000552
Charter school
No
Virtual school
No

Related schools

Other schools in Phoenix Union High School District (4286)
Other schools in PHOENIX
Nearby schools

Frequently asked questions

About South Mountain High School
How large is South Mountain High School?
South Mountain High School enrolls approximately 2,207 students in grades 09-12.
Is South Mountain High School an elementary, middle, or high school?
South Mountain High School is a high school covering grades 09-12.
How many students per teacher at South Mountain High School?
Approximately 20.7:1 students per teacher at South Mountain High School.
What is the student diversity at South Mountain High School?
Student demographics at South Mountain High School are roughly 3% White, 79% Hispanic, 15% Black, 0% Asian, 1% Two or more.
What district is South Mountain High School in?
South Mountain High School is part of Phoenix Union High School District (4286).
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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