Redwood High School is an alternative/continuation public high school in Castro Valley, California, United States. It is the only alternative/continuation high school in Castro Valley, and is one of only two high schools in Castro Valley, the other being Castro Valley High School.
Serving 45 students in grades Kindergarten-12, Castro Valley Virtual Academy ranks in the top 50% of all schools in California for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 21-39% (which is approximately equal to the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 60-64% (which is higher than the California state average of 47%).
The student-teacher ratio of 11:1 is lower than the California state level of 21:1.
Minority enrollment is 75% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Facts (2026-27)
- Grades: Kindergarten-12
- Enrollment: 45 students
- Student-Teacher Ratio: 11:1
- Minority Enrollment: 75%
- Graduation Rate: ≥80% (Btm 50% in CA)
- Overall Testing Rank: Top 50%
- Math Proficiency: 21-39% (Top 50%)
- Reading Proficiency: 60-64% (Top 30%)
- Science Proficiency: 40-49% (Top 30%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Overview
Castro Valley Virtual Academy's student population of 45 students has declined by 80% over five school years.
The teacher population of 4 teachers has declined by 66% over five school years.
Grades Offered
Grades Kindergarten-12
Total Students
45 students
Total Classroom Teachers
4 teachers
School Rankings
Castro Valley Virtual Academy 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 Castro Valley Virtual Academy is 0.77, 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
#3174 out of 9523 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
21-39%
34%
Reading/Language Arts Test Scores (% Proficient)
60-64%
47%
Science Test Scores (% Proficient)
40-49%
29%
Student-Teacher Ratio
11:1
21:1
American Indian
n/a
1%
Asian
22%
12%
Hispanic
29%
56%
Black
4%
5%
White
25%
20%
Hawaiian
n/a
n/a
Two or more races
20%
6%
All Ethnic Groups
Graduation Rate
≥80%
86.2%
Chronically Absent Students
(22-23)86.7%
27.7%
Eligible for Free Lunch
24%
54%
Eligible for Reduced Lunch
16%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Castro Valley Virtual Academy's ranking?
Castro Valley Virtual Academy is ranked #3174 out of 9,523 schools, which ranks it among the top 50% of public schools in California.
What percent of students have achieved state testing proficiency in math and reading?
21-39% of students have achieved math proficiency (compared to the 34% CA state average), while 60-64% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Castro Valley Virtual Academy?
The graduation rate of Castro Valley Virtual Academy is 80%, which is lower than the California state average of 86.2%.
How many students attend Castro Valley Virtual Academy?
45 students attend Castro Valley Virtual Academy.
What is the racial composition of the student body?
29% of Castro Valley Virtual Academy students are Hispanic, 25% of students are White, 22% of students are Asian, 20% of students are Two or more races, and 4% of students are Black.
What is the student-teacher ratio of Castro Valley Virtual Academy?
Castro Valley Virtual Academy has a student ration of 11:1, which is lower than the California state average of 21:1.
What grades does Castro Valley Virtual Academy offer ?
Castro Valley Virtual Academy offers enrollment in grades Kindergarten-12
What school district is Castro Valley Virtual Academy part of?
Castro Valley Virtual Academy is part of Castro Valley Unified School District.
School Reviews
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