Very Good
#1659 of 9,533 schools in CA
Top 17% in state
Marshall Elementary
Elementary School · Castro Valley Unified
PO Box 2146, Castro Valley, CA 94546
Enrollment
495
Student-Teacher
24.8:1
Score
7.8
Grades
Kindergarten – 5th
Enrollment
495
Student-Teacher
24.8:1
Score
7.8
Grades
Kindergarten – 5th
Updated
2022-23
Updated 2022-23
How this school compares
In Castro Valley
#3 of 14
public schools
California elementary schools
#1,165 of 5,817
In district
#3 of 14
Castro Valley Unified
Equity
9.6 / 10
Exceptional
About Marshall Elementary
Marshall Elementary serves 495 students in kindergarten through fifth grade in Castro Valley's affluent suburban community. With 20 full-time equivalent teachers, the school maintains a student-teacher ratio of 24.8:1 and has earned strong recognition for its academic performance. The school ranks in the 88th percentile statewide, placing #1,188 out of 9,566 California elementary schools with a MySchoolScout rating of 8.0 out of 10.
Students demonstrate solid academic achievement, with 70% scoring proficient or above in English Language Arts and 68% reaching proficiency in mathematics across all grade levels. Marshall Elementary draws from a well-educated community where 40% of residents hold bachelor's degrees or higher. The surrounding neighborhood reflects the broader Castro Valley area's prosperity, with a median household income of $117,808 and median home values of $935,700.
The low poverty rate of 7.5% among the ZIP code's 45,761 residents indicates a financially stable community that likely supports educational priorities. Families choosing Marshall Elementary can expect a school that consistently delivers strong academic outcomes in a supportive environment. The school operates as a regular public school within Alameda County's large suburban setting, providing elementary education that prepares students well for their continued academic journey.
What Parents Should Know
The student-teacher ratio at Marshall Elementary is 24.8:1, 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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Marshall Elementary — Students at Marshall Elementary score 69% proficient, which is above what's typical for similar communities (expected: 50%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
44%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 12 test records from CA 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: 8.7/10.
How Marshall Elementary Compares
See how Marshall Elementary performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has remained stable from 68% (2019) to 68.11% (2024). Reading/ELA proficiency has improved from 68% (2019) to 70.08% (2024).
Location
PO Box 2146, Castro Valley, CA 94546
Nearby Alternatives
Families considering Marshall Elementary may also want to explore other elementary schools in the area. Chabot Elementary (rated 8.1/10, 1.4 miles away), with a very similar rating. Another option is Proctor Elementary (rated 8.0/10, 1.3 miles away), with a very similar rating. Additionally, Vannoy Elementary (rated 7.4/10, 0.7 miles away), with a comparable rating. For more schools in Castro Valley, see our Castro Valley schools guide .
Nearby Schools
20 within 1.9 mi| School | Distance | Rating |
|---|---|---|
| Creekside Middle Castro Valley | 0.3 mi | 7.6 |
| REDWOOD CHRISTIAN ELEMENTARY SCHOOL Castro Valley | 0.6 mi | 5.8 |
| Vannoy Elementary Castro Valley | 0.7 mi | 7.4 |
| Castro Valley High Castro Valley | 0.7 mi | 6.6 |
| Castro Valley Elementary Castro Valley | 0.8 mi | 7.3 |
| Independent Elementary Castro Valley | 0.9 mi | 6.7 |
| Canyon Middle Castro Valley | 0.9 mi | 5.8 |
| OUR LADY OF GRACE CATHOLIC SCHOOL Castro Valley | 0.9 mi | 6.4 |
| Our Lady of Grace School Castro Valley | 0.9 mi | — |
| Proctor Elementary Castro Valley | 1.3 mi | 8.0 |
| THE MONTESSORI GIVING TREE Castro Valley | 1.3 mi | — |
| Fairview Elementary Hayward | 1.5 mi | 5.2 |
| Rising Star Sped Academy Hayward | 1.4 mi | — |
| OneSchool Global - San Francisco Castro Valley | 1.3 mi | — |
| ANCHOR EDUCATION Castro Valley | 1.4 mi | 4.7 |
| Chabot Elementary Castro Valley | 1.4 mi | 8.1 |
| Hayward High Hayward | 1.9 mi | 5.9 |
| MONTESSORI SCHOOL AT FIVE CANYONS Castro Valley | 1.5 mi | — |
| Stanton Elementary Castro Valley | 1.5 mi | 7.4 |
| All Saints Catholic School Hayward | 1.9 mi | — |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 94546 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$125,780
Median Home Value
$976,300
Median Rent
$2,506/mo
Population
45,848
College Educated
41.4%
Homeownership
65.8%
Avg Commute
33.7 min
Poverty Rate
7.4%
Median Age
42.1
Community Profile
The community surrounding Marshall Elementary has a median household income of $125,780. It is a well-educated community where 41% of adults hold a bachelor's degree or higher. The median home value in the area is $976,300, with a median rent of $2,506/month. The local poverty rate of 7.4% is relatively low. The average commute for residents is 34 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 |
|---|---|
| A. L. Conner Elementary Orange Cove, CA | 7.8 |
| Abby Reinke Elementary Temecula, CA | 7.8 |
| Abraham Lincoln Elementary Cupertino, CA | 7.8 |
| Academy for Enriched Sciences Encino, CA | 7.8 |
| Anaheim Hills Elementary Anaheim, CA | 7.8 |
| Aviara Oaks Elementary Carlsbad, CA | 7.8 |
Frequently Asked Questions
Common questions about Marshall Elementary
What grades does Marshall Elementary serve?
Marshall Elementary serves students in grades Kindergarten through 5th.
How many students attend Marshall Elementary?
Marshall Elementary has an enrollment of approximately 495 students.
What is the student-teacher ratio at Marshall Elementary?
The student-teacher ratio at Marshall Elementary is 24.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Marshall Elementary rank in CA?
Marshall Elementary is ranked #1659 out of 9,533 schools in CA.
What is Marshall Elementary's MySchoolScout rating?
Marshall Elementary has a composite rating of 7.8 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 Marshall Elementary?
Based on the most recent state assessment data, Marshall Elementary has 65.1% math proficiency and 68.2% reading/ELA proficiency.
Is Marshall Elementary a charter school?
No, Marshall Elementary is not a charter school. It is a traditional public school operated by the local school district.
Is Marshall Elementary a Title I school?
No, Marshall Elementary is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Marshall Elementary?
44.0% of students at Marshall Elementary 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
- Kindergarten – 5th
- Enrollment
- 495
- Student-Teacher Ratio
- 24.8:1
- Teachers (FTE)
- 20
- Free/Reduced Lunch
- 44.0%
- Type
- regular
- Setting
- Large Suburb
- County
- Alameda County
- Phone
- (510) 537-2431
- Data Year
- 2023–2024
Resources & Links
District
Castro Valley Unified- District Enrollment
- 9,489
- Schools in District
- 16
- Per-Pupil Spending
- $14,627
- District Rank
- #3 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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