Average
#7014 of 9,533 schools in CA
Granite Hills High
High School · Grossmont Union High
1719 East Madison Ave., EL Cajon, CA 92019
Enrollment
2,414
Student-Teacher
142:1
Score
5.3
Grades
9th – 12th
Enrollment
2,414
Student-Teacher
142:1
Score
5.3
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In EL Cajon
#13 of 38
public schools
California high schools
#1,499 of 1,892
In district
#8 of 14
Grossmont Union High
About Granite Hills High
Granite Hills High serves 2,414 students in grades 9-12 in El Cajon, California, operating as a regular public school in San Diego County. With 17 full-time equivalent teachers, the school maintains a student-teacher ratio of 142:1, reflecting the large student body size. Academically, Granite Hills High has room for growth, with 47% of students achieving proficiency in English Language Arts and 23% reaching proficiency in mathematics.
The school holds a MySchoolScout rating of 4.4 out of 10 and ranks in the 33rd percentile among California high schools. These metrics suggest the school is focusing on student development and working to strengthen academic outcomes across all grade levels. The school draws from a stable community in the 92019 ZIP code area, where the median household income reaches $93,732 and median home values sit at $675,400.
About one-third of local residents hold bachelor's degrees or higher, while the poverty rate remains relatively low at 9.3%. This economic stability provides a foundation for family engagement in education. Granite Hills High is situated in El Cajon's large suburban setting, serving families in an established San Diego County community that values homeownership and maintains strong economic fundamentals.
What Parents Should Know
Granite Hills High is a large school with 2,414 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 Granite Hills High is 142:1, 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
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Granite Hills High — Students at Granite Hills High score 35% proficient, which is below what's typical for similar communities (expected: 40%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
62.1%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 8 test records from CA 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: 2.9/10.
How Granite Hills High Compares
See how Granite Hills High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2020-21 · Source: CRDC via Urban Institute · Learn more
Performance Trends
Math proficiency has declined from 42% (2019) to 22.94% (2024). Reading/ELA proficiency has declined from 54% (2019) to 46.55% (2024).
Location
1719 East Madison Ave., EL Cajon, CA 92019
Nearby Alternatives
Families considering Granite Hills High may also want to explore other high schools in the area. Kidinnu Academy (rated 7.3/10, 1.3 miles away), which scores notably higher. Another option is Elite Academy (rated 6.7/10, 1.2 miles away), which scores notably higher. Additionally, ST KIERAN CATHOLIC SCHOOL (rated 6.1/10, 1.2 miles away), which scores slightly higher. For more schools in EL Cajon, see our EL Cajon schools guide .
Nearby Schools
20 within 1.6 mi| School | Distance | Rating |
|---|---|---|
| El Cajon SDA School El Cajon | 0.3 mi | — |
| Madison Avenue Elementary El Cajon | 0.3 mi | 3.8 |
| Montgomery Middle El Cajon | 0.3 mi | 3.5 |
| EL CAJON SEVENTH-DAY ADVENTIST CHRISTIAN SCHOOL El Cajon | 0.4 mi | 5.0 |
| CHRISTIAN ELEMENTARY SCHOOL - WEST CAMPUS El Cajon | 0.7 mi | 4.2 |
| CHRISTIAN ELEMENTARY SCHOOL-EAST CAMPUS El Cajon | 0.8 mi | 4.6 |
| Christian Elementary East El Cajon | 0.8 mi | — |
| Christian Junior/Senior High School El Cajon | 0.8 mi | — |
| Meridian Elementary El Cajon | 1.0 mi | 4.4 |
| TAPROOT MONTESSORI PRESCHOOL & KINDERGARTEN El Cajon | 1.0 mi | — |
| Greenfield Middle El Cajon | 1.1 mi | 5.2 |
| Bostonia Global El Cajon | 1.1 mi | 4.7 |
| ST KIERAN CATHOLIC SCHOOL El Cajon | 1.2 mi | 6.1 |
| Saint Kieran Catholic School El Cajon | 1.2 mi | — |
| Diego Valley East Public Charter El Cajon | 1.1 mi | 4.5 |
| REACH Academy La Mesa | 1.2 mi | — |
| Elite Academy El Cajon | 1.2 mi | 6.7 |
| Kidinnu Academy El Cajon | 1.3 mi | 7.3 |
| W. D. Hall Elementary El Cajon | 1.7 mi | 4.9 |
| HOLY TRINITY ELEMENTARY SCHOOL El Cajon | 1.6 mi | 6.0 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 92019 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$99,266
Median Home Value
$727,400
Median Rent
$2,141/mo
Population
45,801
College Educated
33.6%
Homeownership
67.3%
Avg Commute
28.3 min
Poverty Rate
10.6%
Median Age
40.1
Community Profile
The community surrounding Granite Hills High has a median household income of $99,266. It is an area where 34% of adults hold a bachelor's degree or higher. The median home value in the area is $727,400, with a median rent of $2,141/month. The area has a poverty rate of 10.6%. 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 |
|---|---|
| Buhach Colony High Atwater, CA | 5.3 |
| Bellflower High Bellflower, CA | 5.2 |
| East Union High Manteca, CA | 5.2 |
| Herbert Hoover High Fresno, CA | 5.2 |
| Independence High Bakersfield, CA | 5.2 |
| Indio High Indio, CA | 5.2 |
Frequently Asked Questions
Common questions about Granite Hills High
What grades does Granite Hills High serve?
Granite Hills High serves students in grades 9th through 12th.
How many students attend Granite Hills High?
Granite Hills High has an enrollment of approximately 2,414 students.
What is the student-teacher ratio at Granite Hills High?
The student-teacher ratio at Granite Hills High is 142:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Granite Hills High rank in CA?
Granite Hills High is ranked #7014 out of 9,533 schools in CA.
What is Granite Hills High's MySchoolScout rating?
Granite Hills High has a composite rating of 5.3 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 Granite Hills High?
Based on the most recent state assessment data, Granite Hills High has 29.7% math proficiency and 51.5% reading/ELA proficiency.
Is Granite Hills High a charter school?
No, Granite Hills High is not a charter school. It is a traditional public school operated by the local school district.
Is Granite Hills High a Title I school?
No, Granite Hills High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Granite Hills High?
62.1% of students at Granite Hills High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
- Walk Score
- 22 Car-Dependent
- Transit Score
- 30 Some Transit
- Bike Score
- 30 Somewhat Bikeable
- City Safety
- High (1,952/100K)
Powered by 
FBI UCR 2024. City-level (EL Cajon). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 2,414
- Student-Teacher Ratio
- 142:1
- Teachers (FTE)
- 17
- Free/Reduced Lunch
- 62.1%
- Type
- regular
- Setting
- Large Suburb
- County
- San Diego County
- Phone
- (619) 593-5500
- Data Year
- 2023–2024
Resources & Links
District
Grossmont Union High- District Enrollment
- 16,566
- Schools in District
- 15
- Per-Pupil Spending
- $18,399
- District Rank
- #8 of 14
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
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