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Average

#4077 of 9,533 schools in CA

Top 43% in state

Granite Hills High

High School · Porterville Unified

600 West Grand Ave., Porterville, CA 93257

Enrollment

1,168

Student-Teacher

21.2:1

Score

6.6

Grades

9th – 12th

Updated 2022-23

How this school compares

In Porterville

#13 of 33

public schools

California high schools

#796 of 1,892

In district

#10 of 21

Porterville Unified

Academic growth

9.1 / 10

Exceptional

About Granite Hills High

Granite Hills High serves 1,168 students in grades 9-12 in Porterville, California, operating as a regular public school in Tulare County. With 55 full-time equivalent teachers, the school maintains a student-teacher ratio of 21.2:1, providing a sizeable high school environment for families in this rural community. The school holds a MySchoolScout rating of 6.3 out of 10 and ranks #3,657 out of 9,566 California high schools, placing it in the 62nd percentile statewide.

Academically, Granite Hills High shows strength in English Language Arts, where 58% of students score proficient or above across grade levels. Mathematics presents an area with room for growth, with 22% of students achieving proficiency or above. Located at 600 West Grand Ave, the school serves a community where the median household income is $54,889 and median home value reaches $250,100.

The surrounding ZIP code 93257 is home to 79,217 residents, with 14% holding bachelor's degrees or higher and a poverty rate of 19.8%. Granite Hills High sits in a rural setting near town, providing students with both the benefits of a close-knit community atmosphere and access to the broader resources of the Porterville area.

What Parents Should Know

The student-teacher ratio at Granite Hills High is 21.2:1, 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.

Located in a rural area, Granite Hills High may involve longer commutes for some families. Rural schools often serve as community anchors and may have smaller class sizes, but parents should consider transportation logistics, after-school program availability, and access to specialized services.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress9.1Exceptional25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change+0.73 pts/yr
Data Period2019–2024
TrendStable
Academics7.3Very Good25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency22%
Reading/ELA Proficiency57.5%
Math vs. State Avg-6 pts
Reading vs. State Avg+1.6 pts
Overall Proficiency40%
Expected (poverty-adj.)35%
vs. Expected+4.7 pts
Adjusted Percentile60th
College Readiness3.6Fair30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation12.8%
IB ProgramNo
Resources & Environment7.1Very Good20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio21.2:1
Per-Pupil Spending$16,026

Granite Hills High — Students at Granite Hills High score 40% proficient, which is above what's typical for similar communities (expected: 35%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

69.9%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 20.5%
School
State
31.8%
ELA Proficiency 54.3%
School
State
51.5%

Based on 8 test records from CA state assessments. About our data

Proficiency Trend

→ Stable

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

2019
Math
19%
ELA
54%
2021*
Math
19%
ELA
48%
2024
Math
22%
ELA
57.5%

* 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: 9.1/10.

How Granite Hills High Compares

See how Granite Hills High performs across key quality dimensions compared to state benchmarks.

Overall Score
6.6/10
57th percentile in CA
Academic
7.3/10
7.3/10
Growth
9.1/10
Above average
Environment
7.1/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
70%
Teaching Staff
21:1 student-teacher ratio
55 teachers

Location

600 West Grand Ave., Porterville, CA 93257

Nearby Alternatives

Families considering Granite Hills High may also want to explore other high schools in the area. Porterville Military Academy (rated 6.9/10, 3.7 miles away), which scores slightly higher. Another option is Citrus High (rated 6.2/10, 2.1 miles away), with a comparable rating. Additionally, Porterville High (rated 5.0/10, 2.8 miles away), a more accessible option. For more schools in Porterville, see our Porterville schools guide .

Nearby Schools

20 within 3.8 mi
School Distance Rating
Alta Vista Elementary Porterville 1.0 mi 6.2
John J. Doyle Elementary Porterville 1.0 mi 4.0
Los Robles Elementary Porterville 1.9 mi 7.0
Santa Fe Elementary Porterville 1.8 mi 5.1
Roche Elementary Porterville 1.8 mi 6.9
Citrus High Porterville 2.1 mi 6.2
Vandalia Elementary Porterville 2.3 mi 7.4
Pioneer Middle Porterville 2.3 mi 7.5
Belleview Elementary Porterville 2.4 mi 6.7
ST ANNE SCHOOL Porterville 2.4 mi 6.5
Olive Street Elementary Porterville 2.5 mi 6.5
Bartlett Middle Porterville 2.5 mi 7.3
Porterville High Porterville 2.8 mi 5.0
Sequoia Christian Academey Porterville Porterville 3.2 mi
Monte Vista Elementary Porterville 3.3 mi 4.4
Vine Street Community Day Porterville 3.6 mi
Butterfield Charter Porterville 3.7 mi 4.3
Porterville Military Academy Porterville 3.7 mi 6.9
Westfield Elementary Porterville 3.9 mi 4.9
West Putnam Elementary Porterville 3.8 mi 4.3

Neighborhood Census ACS (2019-2023)

Census data for ZIP 93257 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$58,261

Median Home Value

$276,400

Median Rent

$1,086/mo

Population

79,340

College Educated

14.7%

Homeownership

55.4%

Avg Commute

24.3 min

Poverty Rate

19.6%

Median Age

30.9

Community Profile

The community surrounding Granite Hills High has a median household income of $58,261. It is a community where 15% of adults hold a bachelor's degree or higher. The median home value in the area is $276,400, with a median rent of $1,086/month. The area has a poverty rate of 19.6%. The average commute for residents is 24 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
Ann Sobrato High Morgan Hill, CA 6.6
Benjamin Franklin Senior High Los Angeles, CA 6.6
Clairemont High San Diego, CA 6.6
Compton High Compton, CA 6.6
Harbor High Santa Cruz, CA 6.6
John H. Glenn High Norwalk, CA 6.6

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 1,168 students.

What is the student-teacher ratio at Granite Hills High?

The student-teacher ratio at Granite Hills High is 21.2:1. 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 #4077 out of 9,533 schools in CA.

What is Granite Hills High's MySchoolScout rating?

Granite Hills High has a composite rating of 6.6 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 20.5% math proficiency and 54.3% 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?

69.9% 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.

11 schools nearby View map →

Neighborhood Context

Walk Score
4 Car-Dependent
Bike Score
16 Somewhat Bikeable
City Safety
High (1,876/100K)

Powered by Walk Score

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

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
1,168
Student-Teacher Ratio
21.2:1
Teachers (FTE)
55
Free/Reduced Lunch
69.9%
Type
regular
Setting
Fringe Rural
County
Tulare County
Data Year
2023–2024

District

Porterville Unified
District Enrollment
13,963
Schools in District
22
Per-Pupil Spending
$18,988
District Rank
#10 of 21

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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