Very Good
#2343 of 9,533 schools in CA
Top 25% in state
Walnut High
High School · Walnut Valley Unified
400 North Pierre Rd., Walnut, CA 91789
Enrollment
2,138
Student-Teacher
23.2:1
Score
7.5
Grades
9th – 12th
Enrollment
2,138
Student-Teacher
23.2:1
Score
7.5
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Walnut
#3 of 10
public schools
California high schools
#412 of 1,892
In district
#4 of 15
Walnut Valley Unified
Equity
9.2 / 10
Exceptional
About Walnut High
Walnut High serves 2,138 students in grades 9-12 in the affluent community of Walnut, California. With 92 full-time equivalent teachers, the school maintains a student-teacher ratio of 23.2:1. This large suburban high school has earned strong recognition, ranking in the 90th percentile statewide at #985 out of 9,566 California schools and receiving a MySchoolScout rating of 8.2 out of 10.
Academically, Walnut High demonstrates solid performance with an impressive 9.1 out of 10 academic score. Students show particularly strong literacy skills, with 78% achieving proficiency or above in English Language Arts and Reading. Math performance is also noteworthy, with 61% of students reaching proficiency or above across grade levels.
The school serves a well-educated community where 53% of residents hold bachelor's degrees or higher, and the median household income reaches $123,555. With a low poverty rate of just 7.2% and median home values of $910,400, the surrounding ZIP code of 91789 reflects the economic stability that often supports educational achievement. Located at 400 North Pierre Road, Walnut High sits in the heart of this prosperous Los Angeles County suburb, serving families in a community known for its commitment to education and family-oriented lifestyle.
What Parents Should Know
Walnut High is a large school with 2,138 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 Walnut High is 23.2:1, 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.
Score Breakdown
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Walnut High — Students at Walnut High score 70% proficient, which is above what's typical for similar communities (expected: 60%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
26.2%
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: 5.7/10.
How Walnut High Compares
See how Walnut 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 70% (2019) to 61.31% (2024). Reading/ELA proficiency has declined from 81% (2019) to 78.24% (2024).
Location
400 North Pierre Rd., Walnut, CA 91789
Nearby Alternatives
Families considering Walnut High may also want to explore other high schools in the area. Stanley G. Oswalt Academy (rated 8.2/10, 1.7 miles away), which scores slightly higher. Another option is Walnut Elementary (rated 7.6/10, 1.4 miles away), with a very similar rating. Additionally, South Pointe Middle (rated 7.3/10, 2.1 miles away), with a very similar rating. For more schools in Walnut, see our Walnut schools guide .
Nearby Schools
20 within 2.3 mi| School | Distance | Rating |
|---|---|---|
| Suzanne Middle Walnut | 0.2 mi | 6.3 |
| THE CROSS SCHOOL OF EDUCATION Walnut | 0.2 mi | — |
| ALLAIS SCHOOL Walnut | 0.8 mi | 6.5 |
| Vejar Elementary Walnut | 0.7 mi | 6.5 |
| Ron Hockwalt Academies (Continuation) Walnut | 1.0 mi | 6.4 |
| DISCOVERY WORLD MONTESSORI Walnut | 1.4 mi | — |
| Cyrus J. Morris Elementary Walnut | 1.2 mi | 5.9 |
| Walnut Elementary Walnut | 1.4 mi | 7.6 |
| Leonard G. Westhoff Elementary Walnut | 1.4 mi | 6.4 |
| LEARNING TREE WALNUT EDUCATION CENTER Walnut | 1.5 mi | — |
| Learning Tree Walnut Education Center Walnut | 1.5 mi | — |
| KID JUNCTION Walnut | 1.6 mi | — |
| Institute of Knowledge Diamond Bar | 1.7 mi | — |
| Collegewood Elementary Walnut Valley | 1.9 mi | 5.1 |
| ST CHRISTOPHER-JOSEPH-AQUINAS ACADEMIC ACADEMY Diamond Bar | 1.9 mi | 5.2 |
| Stanley G. Oswalt Academy Walnut | 1.7 mi | 8.2 |
| South Pointe Middle Walnut | 2.1 mi | 7.3 |
| Armstrong Elementary Diamond Bar | 1.8 mi | 6.2 |
| Hollingworth Elementary West Covina | 1.9 mi | 5.8 |
| Maple Hill Elementary Diamond Bar | 2.3 mi | 7.2 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 91789 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$125,742
Median Home Value
$936,800
Median Rent
$2,868/mo
Population
40,933
College Educated
53.2%
Homeownership
82.4%
Avg Commute
35.4 min
Poverty Rate
7.7%
Median Age
46.3
Community Profile
The community surrounding Walnut High has a median household income of $125,742. It is a well-educated community where 53% of adults hold a bachelor's degree or higher. The median home value in the area is $936,800, with a median rent of $2,868/month. The local poverty rate of 7.7% is relatively low. The average commute in the area is 35 minutes, which is above the national average. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Alameda High Alameda, CA | 7.5 |
| Arroyo High El Monte, CA | 7.5 |
| Bell Senior High Bell, CA | 7.5 |
| Citrus Hill High Perris, CA | 7.5 |
| Claremont High Claremont, CA | 7.5 |
| Davis Senior High Davis, CA | 7.5 |
Frequently Asked Questions
Common questions about Walnut High
What grades does Walnut High serve?
Walnut High serves students in grades 9th through 12th.
How many students attend Walnut High?
Walnut High has an enrollment of approximately 2,138 students.
What is the student-teacher ratio at Walnut High?
The student-teacher ratio at Walnut High is 23.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Walnut High rank in CA?
Walnut High is ranked #2343 out of 9,533 schools in CA.
What is Walnut High's MySchoolScout rating?
Walnut High has a composite rating of 7.5 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 Walnut High?
Based on the most recent state assessment data, Walnut High has 65.9% math proficiency and 79.4% reading/ELA proficiency.
Is Walnut High a charter school?
No, Walnut High is not a charter school. It is a traditional public school operated by the local school district.
Is Walnut High a Title I school?
No, Walnut High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Walnut High?
26.2% of students at Walnut 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
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 2,138
- Student-Teacher Ratio
- 23.2:1
- Teachers (FTE)
- 92
- Free/Reduced Lunch
- 26.2%
- Type
- regular
- Setting
- Large Suburb
- County
- Los Angeles County
- Phone
- (909) 594-1333
- Data Year
- 2023–2024
Resources & Links
District
Walnut Valley Unified- District Enrollment
- 13,815
- Schools in District
- 15
- Per-Pupil Spending
- $13,971
- District Rank
- #4 of 15
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.
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