Very Good
#499 of 2,006 schools in AZ
Top 25% 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
7.6
Grades
9th – 12th
Enrollment
2,270
Student-Teacher
24.4:1
Score
7.6
Grades
9th – 12th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Arizona schools
#499 of 2,006
In Phoenix
#91 of 422
public schools
In district
#1 of 11
Glendale Union High School District (4285)
Academic performance
9.4 / 10
Excellent
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Sunnyslope High School
High School in Phoenix · grades 9th – 12th. Start here, then compare fit against nearby and district options.
West-mec - Sunnyslope High School
0.0 mi away. Use as a geographic alternative in the same move search.
Franklin Phonetic Primary School-sunnyslope
0.4 mi away. Use as a geographic alternative in the same move search.
About Sunnyslope High School
Sunnyslope High School is a public high school in Phoenix, AZ, part of Glendale Union High School District (4285). Sunnyslope High School serves approximately 2,270 students, and covers grades 9th-12th, and has a 24.4:1 student-teacher ratio. Sunnyslope High School has a current MySchoolScout rating of 7.6 out of 10 and ranks #499 of 2,006 schools in AZ.
Structured state assessment records for Sunnyslope High School show 60% math proficiency (multi-year average, 2009-2022) and 65% reading/ELA proficiency (multi-year average, 2009-2022).
What's said publicly about Sunnyslope High School
Synthesized from public, attributable sources. Updated April 2026. Reviewed for accuracy.
Sources (2)
- This school 7.6 · Very Good
- District avg 6.5
- AZ avg 6.2
What Parents Should Know
Sunnyslope High School is a large school: 2,270 students. Size usually brings more course choices and activities than a smaller school can staff, but kids can also blend into the crowd. Ask how the school keeps students known and supported.
Sunnyslope High School runs 24.4:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.
34% of students at Sunnyslope High School were chronically absent in the 2022-23 school year, above the national average. Chronic absenteeism means missing 15 or more school days, and at high rates it drags on classroom pacing for everyone. Ask what the school does to help families get kids to class consistently.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
View breakdown
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Sunnyslope High School — Students at Sunnyslope High School score 64% proficient, which is above what's typical for similar communities (expected: 34%).
Test Scores AZ EDFACTS (2021-22)
Based on 28 test records from AZ state assessments. About our data
Proficiency Trend
↓ DecliningAverage 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.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
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. Bennett Academy - Venture Site (rated 9.7/10, 1.0 miles away), which scores notably higher. Another option is Montessori Day Public Schools Chartered - Mountainside (rated 8.5/10, 1.4 miles away), which scores slightly higher. Additionally, Madison Richard Simis School (rated 8.2/10, 1.8 miles away), which scores slightly higher. 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
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Sandra Day O'Connor High School Glendale, AZ | 7.6 |
| Thunderbird High School Phoenix, AZ | 7.6 |
| Boulder Creek High School Anthem, AZ | 7.5 |
| Deer Valley High School Glendale, AZ | 7.5 |
| Horizon High School Scottsdale, AZ | 7.5 |
| Sunrise Mountain High School Peoria, AZ | 7.5 |
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 ranks #499 of 2,006 schools in AZ.
What is Sunnyslope High School's MySchoolScout rating?
Sunnyslope High School has a current MySchoolScout rating of 7.6 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Sunnyslope High School?
Based on loaded state assessment records, Sunnyslope High School has 60% math proficiency (multi-year average, 2009-2022) and 65% reading/ELA proficiency (multi-year average, 2009-2022).
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
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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
- Chronic Absenteeism (SY 2022-23)
- 33.9%
- Phone
- (623) 915-8760
- 4-Year Graduation
- 92.0%
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
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