Castro (Mariano) Elementary School serves 338 students in grades Kindergarten-5.
The student-teacher ratio of 17:1 was lower than the California state level of 21:1.
Minority enrollment was 84% of the student body (majority Hispanic), which was higher than the California state average of 80% (majority Hispanic).
School Overview
Grades Offered
Grades Kindergarten-5
Total Students
338 students
Total Classroom Teachers
20 teachers
School Rankings
Student-Teacher Ratio
17:1
21:1
American Indian
n/a
1%
Asian
6%
12%
Hispanic
77%
56%
Black
1%
5%
White
16%
20%
Hawaiian
n/a
n/a
Two or more races
n/a
6%
All Ethnic Groups
Eligible for Free Lunch
64%
54%
Eligible for Reduced Lunch
12%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
How many students attend Castro (Mariano) Elementary School?
338 students attend Castro (Mariano) Elementary School.
What is the racial composition of the student body?
77% of Castro (Mariano) Elementary School students are Hispanic, 16% of students are White, 6% of students are Asian, and 1% of students are Black.
What is the student-teacher ratio of Castro (Mariano) Elementary School?
Castro (Mariano) Elementary School has a student ration of 17:1, which is lower than the California state average of 21:1.
What grades does Castro (Mariano) Elementary School offer ?
Castro (Mariano) Elementary School offers enrollment in grades Kindergarten-5
What school district is Castro (Mariano) Elementary School part of?
Castro (Mariano) Elementary School is part of Mountain View Whisman School District.
Recent Articles
Public School Rankings: Are They Accurate?
Explore how accurate public school rankings really are, their limitations, and how parents can interpret them in 2026.
Public School Schedule Options Explained for Families
Learn how public school schedule options like year-round calendars, block scheduling, and later start times affect students and families in 2026.
How to Request Special Education Services at School Registration
A step-by-step guide for families on how to request special education services at school registration, including IEPs, 504 plans, timelines, and tips.
