Needs Improvement
#9249 of 9,533 schools in CA
Mariano Castro Elementary
Elementary School · Mountain View Whisman
500 Toft St., Mountain View, CA 94040
Enrollment
257
Student-Teacher
18.4:1
Score
3.5
Grades
Kindergarten – 5th
Enrollment
257
Student-Teacher
18.4:1
Score
3.5
Grades
Kindergarten – 5th
Updated
2022-23
Updated 2022-23
How this school compares
In Mountain View
#14 of 14
public schools
California elementary schools
#5,595 of 5,817
In district
#11 of 11
Mountain View Whisman
School environment
9.2 / 10
Exceptional
About Mariano Castro Elementary
Mariano Castro Elementary is a regular public elementary school located in Mountain View, California. Serving kindergarten through fifth grade students, the school has an enrollment of 257 pupils and maintains a student-teacher ratio of 18.4:1 with 14 full-time equivalent teachers. Mariano Castro Elementary focuses on providing a supportive learning environment, though its academic performance currently shows room for improvement according to MySchoolScout's rating of 2.8 out of 10 and a state ranking of #8892 out of 9566 schools in California.
The school’s ELA proficiency rate stands at 26%, while the math proficiency rate is 17%. Despite these challenges, Mariano Castro Elementary continues to work diligently on student development and academic growth. Situated in a small city setting within Santa Clara County, Mariano Castro Elementary is part of a vibrant community where students can engage with local resources and activities.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
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Data not available for this school
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Mariano Castro Elementary — Students at Mariano Castro Elementary score 17% proficient, which is below what's typical for similar communities (expected: 33%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
74.3%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 10 test records from CA state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 1.5/10.
How Mariano Castro Elementary Compares
See how Mariano Castro Elementary performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 32% (2019) to 13.79% (2024). Reading/ELA proficiency has declined from 47% (2019) to 20.61% (2024).
Location
500 Toft St., Mountain View, CA 94040
Nearby Alternatives
Families considering Mariano Castro Elementary may also want to explore other elementary schools in the area. Stevenson Elementary (rated 8.8/10, 0.8 miles away), which scores notably higher. Another option is Almond Elementary (rated 8.3/10, 0.9 miles away, in nearby Los Altos), which scores notably higher. Additionally, Benjamin Bubb Elementary (rated 7.8/10, 1.2 miles away), which scores notably higher. For more schools in Mountain View, see our Mountain View schools guide .
Nearby Schools
20 within 1.4 mi| School | Distance | Rating |
|---|---|---|
| Gabriela Mistral Elementary Mountain View | 0.1 mi | 5.1 |
| ST PAUL LUTHERAN CHILD DEVELOPMENT CENTER Mountain View | 0.4 mi | — |
| MTN VIEW ACADEMY Mountain View | 0.4 mi | 7.2 |
| KHAN LAB SCHOOL Mountain View | 0.5 mi | 6.6 |
| Khan Lab School Mountain View | 0.5 mi | — |
| MOUNTAIN VIEW-LOS ALTOS MONTESSORI CHILDRENS CTR Mountain View | 0.6 mi | — |
| ST JOSEPH SCHOOL MOUNTAIN VIEW Mountain View | 0.7 mi | 7.0 |
| WALDORF SCHOOL-PENINSULA Mountain View | 0.8 mi | 8.4 |
| Canterbury Christian School Los Altos | 0.8 mi | — |
| Stevenson Elementary Mountain View | 0.8 mi | 8.8 |
| Almond Elementary Los Altos | 0.9 mi | 8.3 |
| Theuerkauf Elementary Mountain View | 0.9 mi | 4.3 |
| Isaac Newton Graham Middle Mountain View | 1.0 mi | 7.0 |
| Monta Loma Elementary Mountain View | 1.1 mi | 7.3 |
| Los Altos High Los Altos | 1.0 mi | 8.3 |
| Benjamin Bubb Elementary Mountain View | 1.2 mi | 7.8 |
| Crittenden Middle Mountain View | 1.3 mi | 7.8 |
| SCHOOL FOR INDEPENDENT LEARNERS Los Altos | 1.2 mi | — |
| School for Independent Learners Los Altos | 1.2 mi | — |
| GIDEON HAUSNER JEWISH DAY SCHOOL Palo Alto | 1.4 mi | 7.2 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 94040 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$184,494
Median Home Value
$2,000,001
Median Rent
$3,017/mo
Population
35,581
College Educated
77.9%
Homeownership
36.2%
Avg Commute
24.5 min
Poverty Rate
5.1%
Median Age
34.9
Community Profile
The community surrounding Mariano Castro Elementary has a median household income of $184,494. It is a well-educated community where 78% of adults hold a bachelor's degree or higher. The median home value in the area is $2,000,001, with a median rent of $3,017/month. The local poverty rate of 5.1% is relatively low. The average commute for residents is 25 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 |
|---|---|
| ACORN Woodland Elementary Oakland, CA | 3.5 |
| Anderson Valley Elementary Boonville, CA | 3.5 |
| BEATITUDES OF OUR LORD CATHOLIC SCHOOL La Mirada, CA | 3.5 |
| Davis Elementary Stockton, CA | 3.5 |
| Empire Gardens Elementary San Jose, CA | 3.5 |
| Grenada Elementary Grenada, CA | 3.5 |
Frequently Asked Questions
Common questions about Mariano Castro Elementary
What grades does Mariano Castro Elementary serve?
Mariano Castro Elementary serves students in grades Kindergarten through 5th.
How many students attend Mariano Castro Elementary?
Mariano Castro Elementary has an enrollment of approximately 257 students.
What is the student-teacher ratio at Mariano Castro Elementary?
The student-teacher ratio at Mariano Castro Elementary is 18.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Mariano Castro Elementary rank in CA?
Mariano Castro Elementary is ranked #9249 out of 9,533 schools in CA.
What is Mariano Castro Elementary's MySchoolScout rating?
Mariano Castro Elementary has a composite rating of 3.5 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 Mariano Castro Elementary?
Based on the most recent state assessment data, Mariano Castro Elementary has 17.4% math proficiency and 26.2% reading/ELA proficiency.
Is Mariano Castro Elementary a charter school?
No, Mariano Castro Elementary is not a charter school. It is a traditional public school operated by the local school district.
Is Mariano Castro Elementary a Title I school?
No, Mariano Castro Elementary is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Mariano Castro Elementary?
74.3% of students at Mariano Castro 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
- City Safety
- High (3,103/100K)
FBI UCR 2024. City-level (Mountain View). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 5th
- Enrollment
- 257
- Student-Teacher Ratio
- 18.4:1
- Teachers (FTE)
- 14
- Free/Reduced Lunch
- 74.3%
- Type
- regular
- Setting
- Small City
- County
- Santa Clara County
- Phone
- (650) 526-3590
- Data Year
- 2023–2024
Resources & Links
District
Mountain View Whisman- District Enrollment
- 4,591
- Schools in District
- 12
- Per-Pupil Spending
- $22,536
- District Rank
- #11 of 11
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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