Serving 436 students in grades Kindergarten-5, Castlemont Elementary School ranks in the top 50% of all schools in California for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 48% (which is higher than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 46% (which is lower than the California state average of 47%).
The student-teacher ratio of 23:1 is higher than the California state level of 21:1.
Minority enrollment is 81% of the student body (majority Hispanic), which is higher than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- School Type: Charter School
- Grades: Kindergarten-5
- Enrollment: 436 students
- Student-Teacher Ratio: 23:1
- Minority Enrollment: 81%
- Overall Testing Rank: Top 50% in CA
- Math Proficiency: 48% (Top 30%)
- Reading Proficiency: 46% (Top 50%)
- Science Proficiency: 40-44% (Top 30%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Overview
Castlemont Elementary School's student population of 436 students has grown by 6% over five school years.
The teacher population of 19 teachers has grown by 11% over five school years.
School Type
Grades Offered
Grades Kindergarten-5
Total Students
436 students
Total Classroom Teachers
19 teachers
Year Founded
1964
School Calendar
Last Day of School
Thu. Jun 11, 2026
Campus Size
50 acres
School Rankings
Castlemont Elementary School ranks within the top 50% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Castlemont Elementary School is 0.64, which is more than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#3223 out of 9523 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
48%
34%
Reading/Language Arts Test Scores (% Proficient)
46%
47%
Science Test Scores (% Proficient)
40-44%
29%
Student-Teacher Ratio
23:1
21:1
American Indian
n/a
1%
Asian
11%
12%
Hispanic
56%
56%
Black
5%
5%
White
19%
20%
Hawaiian
1%
n/a
Two or more races
8%
6%
All Ethnic Groups
Eligible for Free Lunch
46%
54%
Eligible for Reduced Lunch
5%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Castlemont Elementary School's ranking?
Castlemont Elementary School is ranked #3223 out of 9,523 schools, which ranks it among the top 50% of public schools in California.
What schools are Castlemont Elementary School often compared to?
Castlemont Elementary Schoolis often viewed alongside schools like Rosemary by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
48% of students have achieved math proficiency (compared to the 34% CA state average), while 46% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Castlemont Elementary School?
436 students attend Castlemont Elementary School.
What is the racial composition of the student body?
56% of Castlemont Elementary School students are Hispanic, 19% of students are White, 11% of students are Asian, 8% of students are Two or more races, 5% of students are Black, and 1% of students are Hawaiian.
What is the student-teacher ratio of Castlemont Elementary School?
Castlemont Elementary School has a student ration of 23:1, which is higher than the California state average of 21:1.
What grades does Castlemont Elementary School offer ?
Castlemont Elementary School offers enrollment in grades Kindergarten-5
What school district is Castlemont Elementary School part of?
Castlemont Elementary School is part of Campbell Union School District.
In what neighborhood is Castlemont Elementary School located?
Castlemont Elementary School is located in the Castlemont neighborhood of Campbell, CA.
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