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Excellent

#239 of 2,000 schools in AZ

Top 12% in state

Sunnyslope High School

High School · Glendale Union High School District (4285)

35 W DUNLAP AVE, Phoenix, AZ 85021

Enrollment

2,270

Student-Teacher

24.4:1

Score

8.0

Grades

9th – 12th

Updated 2022-23

How this school compares

In Phoenix

#37 of 398

public schools

Arizona high schools

#39 of 429

In district

#1 of 11

Glendale Union High School District (4285)

Academic performance

9.5 / 10

Exceptional

About Sunnyslope High School

Sunnyslope High School serves 2,270 students in grades 9-12 in Phoenix, Arizona, earning a solid 7.0 out of 10 rating from MySchoolScout. The school ranks #470 out of 2,029 Arizona high schools, placing it in the 77th percentile statewide with an impressive 9.1 out of 10 academic score. Students demonstrate strong performance across core subjects, with 65% achieving proficiency or above in English Language Arts and Reading, and 63% meeting proficiency standards in mathematics.

With 93 full-time equivalent teachers serving the student body, Sunnyslope maintains a student-teacher ratio of 24.4:1. This large comprehensive high school provides educational opportunities for a diverse community, drawing from a neighborhood where the median household income is $56,410 and 33% of residents hold bachelor's degrees or higher. The school's academic achievements reflect the dedication of both students and staff in this urban environment.

Located at 35 W Dunlap Avenue, Sunnyslope High School sits in the heart of Phoenix's large city setting, serving families in the 85021 ZIP code area where the median home value is $398,600 and the community of nearly 40,000 residents supports this established educational institution.

What's said publicly about Sunnyslope High School

Sources: School's website Wikipedia

Synthesized from public, attributable sources. Updated April 2026. Reviewed for accuracy.

Sunnyslope High School is a public secondary institution located in Phoenix, Arizona, serving students in grades 9 through 12 2 . The school operates under the Glendale Union High School District 2 . It originally opened its doors in 1953 2 . The district administration promotes the school as part of a network recognized among America’s Best High Schools 1 . According to district communications, Sunnyslope has earned an “A” rating 1 . The school’s educational framework is guided by a “Portrait of a Graduate” vision, which aims to ensure all students graduate with the skills necessary for success in college, careers, and life 1 . Recent news updates from the school include announcements regarding All-State choir selections and the availability of yearbooks for purchase 1 .
Sources (2)
  1. sunnyslope.guhsdaz.org
  2. en.wikipedia.org
Generated by AI from public sources. Every claim is grounded in a cited source. Report inaccuracy

What Parents Should Know

Sunnyslope High School is a large school with 2,270 students enrolled. Larger schools typically offer a wider range of academic programs, electives, and extracurricular activities. Parents may want to ask about how the school maintains a sense of community and ensures students don't get lost in the crowd.

The student-teacher ratio at Sunnyslope High School is 24.4:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress8.1Excellent25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change-1.37 pts/yr
Data Period2019–2022
TrendDeclining
Academics9.5Exceptional25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency63%
Reading/ELA Proficiency65%
Overall Proficiency64%
Expected (poverty-adj.)34%
vs. Expected+30.0 pts
Adjusted Percentile92th
College Readiness9.3Exceptional30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation20.9%
IB ProgramNo
Resources & Environment4.0Below Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio24.4:1
Per-Pupil Spending$10,022

Sunnyslope High School — Students at Sunnyslope High School score 64% proficient, which is above what's typical for similar communities (expected: 34%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

0.2%

Students qualifying for federal meal assistance

Test Scores AZ EDFACTS (2021-22)

Math Proficiency 54.7%
School
State
N/A
ELA Proficiency 55.3%
School
State
N/A

Based on 6 test records from AZ state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
69%
ELA
60%
2021*
Math
32%
ELA
41%
2022
Math
63%
ELA
65%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 8.1/10.

How Sunnyslope High School Compares

See how Sunnyslope High School performs across key quality dimensions compared to state benchmarks.

Overall Score
8.0/10
88th percentile in AZ
Academic
9.5/10
9.5/10
Growth
8.1/10
Above average
Environment
4.0/10
Below average

Location

35 W DUNLAP AVE, Phoenix, AZ 85021

Nearby Alternatives

Families considering Sunnyslope High School may also want to explore other high schools in the area. Madison Richard Simis School (rated 8.1/10, 1.8 miles away), with a very similar rating. Another option is Orangewood School (rated 7.6/10, 1.9 miles away), with a comparable rating. Additionally, Bennett Academy - Venture Site (rated 7.3/10, 1.0 miles away), with a comparable rating. For more schools in Phoenix, see our Phoenix schools guide .

Nearby Schools

20 within 1.9 mi

Neighborhood Census ACS (2019-2023)

Census data for ZIP 85021 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$58,481

Median Home Value

$433,000

Median Rent

$1,221/mo

Population

40,026

College Educated

33.3%

Homeownership

38.3%

Avg Commute

27.8 min

Poverty Rate

16.7%

Median Age

36.2

Community Profile

The community surrounding Sunnyslope High School has a median household income of $58,481. It is an area where 33% of adults hold a bachelor's degree or higher. The median home value in the area is $433,000, with a median rent of $1,221/month. The area has a poverty rate of 16.7%. The average commute for residents is 28 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Catalina Foothills High School Tucson, AZ 8.0
Nogales High School Nogales, AZ 8.0
Higley High School Gilbert, AZ 8.1
West Point High School Tolleson, AZ 7.9
Canyon Del Oro High School Oro Valley, AZ 8.2
Ironwood Ridge High School Oro Valley, AZ 8.2

Frequently Asked Questions

Common questions about Sunnyslope High School

What grades does Sunnyslope High School serve?

Sunnyslope High School serves students in grades 9th through 12th.

How many students attend Sunnyslope High School?

Sunnyslope High School has an enrollment of approximately 2,270 students.

What is the student-teacher ratio at Sunnyslope High School?

The student-teacher ratio at Sunnyslope High School is 24.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Sunnyslope High School rank in AZ?

Sunnyslope High School is ranked #239 out of 2,000 schools in AZ.

What is Sunnyslope High School's MySchoolScout rating?

Sunnyslope High School has a composite rating of 8.0 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Sunnyslope High School?

Based on the most recent state assessment data, Sunnyslope High School has 54.7% math proficiency and 55.3% reading/ELA proficiency.

Is Sunnyslope High School a charter school?

No, Sunnyslope High School is not a charter school. It is a traditional public school operated by the local school district.

Is Sunnyslope High School a Title I school?

No, Sunnyslope High School is not currently a Title I school.

11 schools nearby View map →

Neighborhood Context

Walk Score
81 Very Walkable
Transit Score
50 Good Transit
Bike Score
77 Very Bikeable
City Safety
High (3,139/100K)

Powered by Walk Score

FBI UCR 2024. City-level (Phoenix). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
2,270
Student-Teacher Ratio
24.4:1
Teachers (FTE)
93
Type
regular
Setting
Large City
County
Maricopa County
Data Year
2023–2024

District

Glendale Union High School District (4285)
District Enrollment
16,407
Schools in District
11
Per-Pupil Spending
$10,875
District Rank
#1 of 11

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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