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
Enrollment
2,270
Student-Teacher
24.4:1
Score
8.0
Grades
9th – 12th
Updated
2022-23
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
Synthesized from public, attributable sources. Updated April 2026. Reviewed for accuracy.
Sources (2)
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 metricsView breakdown
View breakdown
View breakdown
View breakdown
Sunnyslope High School — Students at Sunnyslope High School score 64% proficient, which is above what's typical for similar communities (expected: 34%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
0.2%
Students qualifying for federal meal assistance
Test Scores AZ EDFACTS (2021-22)
Based on 6 test records from AZ state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* 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.
Performance Trends
Math proficiency has declined from 69% (2019) to 63% (2022). Reading/ELA proficiency has improved from 60% (2019) to 65% (2022).
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 miNeighborhood 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.
Neighborhood Context
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
- Phone
- (623) 915-8760
- Data Year
- 2023–2024
Resources & Links
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
Other Schools in This District
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 methodologyRelated reading
Get school insights in your inbox
New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.
We respect your privacy. Unsubscribe at any time.