Needs Improvement
#8940 of 9,539 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
3.6
Grades
Kindergarten – 5th
Enrollment
257
Student-Teacher
18.4:1
Score
3.6
Grades
Kindergarten – 5th
Data vintage
2022-23
Data vintage2022-23
How this school compares
California schools
#8,940 of 9,539
In Mountain View
#14 of 14
public schools
In district
#11 of 11
Mountain View Whisman
School environment
9.1 / 10
Excellent
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Mariano Castro Elementary
Elementary School in Mountain View · grades Kindergarten – 5th. Start here, then compare fit against nearby and district options.
Gabriela Mistral Elementary
0.1 mi away. Use as a geographic alternative in the same move search.
St Paul Lutheran Child Development Center
0.4 mi away. Use as a geographic alternative in the same move search.
About Mariano Castro Elementary
Mariano Castro Elementary is a public elementary school in Mountain View, CA, part of Mountain View Whisman. Mariano Castro Elementary serves approximately 257 students, and covers grades Kindergarten-5th, and has a 18.4:1 student-teacher ratio. Mariano Castro Elementary has a current MySchoolScout rating of 3.6 out of 10 and ranks #8,940 of 9,539 schools in CA.
Structured state assessment records for Mariano Castro Elementary show 38% math proficiency (multi-year average, 2009-2024) and 40% reading/ELA proficiency (multi-year average, 2009-2024).
- This school 3.6 · Needs Improvement
- District avg 7.8
- CA avg 6.2
What Parents Should Know
32% of students at Mariano Castro Elementary were chronically absent in the 2022-23 school year, above the national average. Chronic absenteeism means missing 15 or more school days, and at high rates it drags on classroom pacing for everyone. Ask what the school does to help families get kids to class consistently.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
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 30 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: 1.7/10.
How Mariano Castro Elementary Compares
See how Mariano Castro Elementary performs across key quality dimensions compared to state benchmarks.
Funding & Resources
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 9.6/10, 0.8 miles away), which scores notably higher. Another option is Benjamin Bubb Elementary (rated 9.3/10, 1.2 miles away), which scores notably higher. Additionally, Almond Elementary (rated 8.8/10, 0.9 miles away, in nearby Los Altos), 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 | 6.8 |
| 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 | 8.5 |
| Canterbury Christian School Los Altos | 0.8 mi | — |
| Stevenson Elementary Mountain View | 0.8 mi | 9.6 |
| Almond Elementary Los Altos | 0.9 mi | 8.8 |
| Theuerkauf Elementary Mountain View | 0.9 mi | 7.8 |
| Isaac Newton Graham Middle Mountain View | 1.0 mi | 8.8 |
| Monta Loma Elementary Mountain View | 1.1 mi | 7.9 |
| Los Altos High Los Altos | 1.0 mi | 9.0 |
| Benjamin Bubb Elementary Mountain View | 1.2 mi | 9.3 |
| Crittenden Middle Mountain View | 1.3 mi | 8.9 |
| 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
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Arroyo Elementary Simi Valley, CA | 3.6 |
| Carl B. Munck Elementary Oakland, CA | 3.6 |
| Cordova Meadows Elementary Rancho Cordova, CA | 3.6 |
| Drew (Charles) College Preparatory Academy San Francisco, CA | 3.6 |
| Grayson Elementary Westley, CA | 3.6 |
| Manhattan Place Elementary Los Angeles, CA | 3.6 |
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 ranks #8,940 of 9,539 schools in CA.
What is Mariano Castro Elementary's MySchoolScout rating?
Mariano Castro Elementary has a current MySchoolScout rating of 3.6 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Mariano Castro Elementary?
Based on loaded state assessment records, Mariano Castro Elementary has 38% math proficiency (multi-year average, 2009-2024) and 40% reading/ELA proficiency (multi-year average, 2009-2024).
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.
Neighborhood Context
Powered by 
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
- Chronic Absenteeism (SY 2022-23)
- 31.9%
- Phone
- (650) 526-3590
Resources & Links
District
Mountain View Whisman- District Enrollment
- 4,591
- Schools in District
- 12
- Per-Pupil Spending
- $22,536
- District Rank
- #11 of 11
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