Serving 2,288 students in grades 7-12, Ocsa ranks in the top 5% of all schools in California for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 73% (which is higher than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 89% (which is higher than the California state average of 47%).
The student:teacher ratio of 17:1 is lower than the California state level of 21:1.
Minority enrollment is 76% of the student body (majority Asian), which is lower than the California state average of 80% (majority Hispanic).
Quick Stats (2025)
- School Type: Charter School
- Grades: 7-12
- Enrollment: 2,288 students
- Student:Teacher Ratio: 17:1
- Minority Enrollment: 76%
- Graduation Rate: ≥99% (Top 1% in CA)
- Overall Testing Rank: Top 5%
- Math Proficiency: 73% (Top 5%)
- Reading Proficiency: 89% (Top 1%)
- Science Proficiency: 66% (Top 10%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Ocsa ranks among the top 20% of public schools in California for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
Diversity
Student Attention
School Overview
Ocsa's student population of 2,288 students has grown by 5% over five school years.
The teacher population of 133 teachers has grown by 77% over five school years.
School Type
Grades Offered
Grades 7-12
Total Students
2,288 students
![This chart displays total students of Ocsa by year, with the latest 2022-23 school year data. This chart displays total students of Ocsa by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/total_students/153000/153028/ocsa-chart-L1egPQ.png)
Gender %
![This chart displays gender of Ocsa This chart displays gender of Ocsa](http://images1.publicschoolreview.com/charts/gender/153000/153028/ocsa-chart-FKi9Ma.png)
Total Classroom Teachers
133 teachers
![This chart displays the total teachers of Ocsa by year, with the latest 2022-23 school year data. This chart displays the total teachers of Ocsa by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/total_teachers/153000/153028/ocsa-chart-WOVkWE.png)
Students by Grade
![This chart displays the students of Ocsa by grade. This chart displays the students of Ocsa by grade.](http://images1.publicschoolreview.com/charts/students_by_grade/153000/153028/ocsa-chart-RhZDTV.png)
School Rankings
Ocsa ranks within the top 5% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Ocsa is 0.74, 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
#239 out of 9602 schools
(Top 5%)
(Top 5%)
![This chart displays the overall school rank of Ocsa, with the latest 2021-22 school year data. This chart displays the overall school rank of Ocsa, with the latest 2021-22 school year data.](http://images1.publicschoolreview.com/charts/overall_school_rank/153000/153028/ocsa-chart-YI9bto.png)
Math Test Scores (% Proficient)
73%
33%
![This chart displays the percentage of students that scored at or above 'proficient' levels in Math of Ocsa and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in California by year, with the latest 2021-22 school year data. This chart displays the percentage of students that scored at or above 'proficient' levels in Math of Ocsa and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in California by year, with the latest 2021-22 school year data.](http://images1.publicschoolreview.com/charts/math_percent/153000/153028/ocsa-chart-bpNvC5a.png)
Reading/Language Arts Test Scores (% Proficient)
89%
47%
![This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Ocsa and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of California by year, with the latest 2021-22 school year data. This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Ocsa and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of California by year, with the latest 2021-22 school year data.](http://images1.publicschoolreview.com/charts/rla_percent/153000/153028/ocsa-chart-yFvYAY.png)
Science Test Scores (% Proficient)
66%
29%
![This chart displays the percentage of students that scored at or above 'proficient' levels in Science of Ocsa and the percentage of public school students that scored at or above 'proficient' levels in Science of public schools in California by year, with the latest 2021-22 school year data. This chart displays the percentage of students that scored at or above 'proficient' levels in Science of Ocsa and the percentage of public school students that scored at or above 'proficient' levels in Science of public schools in California by year, with the latest 2021-22 school year data.](http://images1.publicschoolreview.com/charts/sci_percent/153000/153028/ocsa-chart-bimMpfw.png)
Student : Teacher Ratio
17:1
21:1
![This chart displays the student teacher ratio of Ocsa and the public school average student teacher ratio of California by year, with the latest 2022-23 school year data. This chart displays the student teacher ratio of Ocsa and the public school average student teacher ratio of California by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/teacher_student_ratio/153000/153028/ocsa-chart-RhZDTU.png)
American Indian
n/a
1%
Asian
38%
12%
![This chart displays the percentage of Asian students in Ocsa and the percentage of Asian public school students in California by year, with the latest 2022-23 school year data. This chart displays the percentage of Asian students in Ocsa and the percentage of Asian public school students in California by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/asian_islander_ethnicity/153000/153028/ocsa-chart-bxxUZW3.png)
Hispanic
22%
56%
![This chart displays the percentage of Hispanic students in Ocsa and the percentage of Hispanic public school students in California by year, with the latest 2022-23 school year data. This chart displays the percentage of Hispanic students in Ocsa and the percentage of Hispanic public school students in California by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/hispanic_students_ethnicity/153000/153028/ocsa-chart-hA9xzF.png)
Black
1%
5%
![This chart displays the percentage of Black students in Ocsa and the percentage of Black public school students in California by year, with the latest 2022-23 school year data. This chart displays the percentage of Black students in Ocsa and the percentage of Black public school students in California by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/black_students_ethnicity/153000/153028/ocsa-chart-6pVvZ5.png)
White
24%
20%
![This chart displays the percentage of White students in Ocsa and the percentage of White public school students in California by year, with the latest 2022-23 school year data. This chart displays the percentage of White students in Ocsa and the percentage of White public school students in California by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/white_students_ethnicity/153000/153028/ocsa-chart-RhZDVQ.png)
Hawaiian
1%
n/a
Two or more races
14%
6%
![This chart displays the percentage of students of two or more races in Ocsa and the percentage of public school students of two or more races in California by year, with the latest 2022-23 school year data. This chart displays the percentage of students of two or more races in Ocsa and the percentage of public school students of two or more races in California by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/two_or_more_races_students_ethnicity/153000/153028/ocsa-chart-bxxUZXP.png)
All Ethnic Groups
![This chart displays the percentage breakdown of students of all ethnic groups in Ocsa. This chart displays the percentage breakdown of students of all ethnic groups in Ocsa.](http://images1.publicschoolreview.com/charts/school_ethnicity/153000/153028/ocsa-chart-J70q4e.png)
![This chart displays the percentage breakdown of public school students of all ethnic groups in California. This chart displays the percentage breakdown of public school students of all ethnic groups in California.](http://images1.publicschoolreview.com/charts/state_ethnicity_school/153000/153028/ocsa-chart-baCmRHK.png)
![This chart displays the diversity score of Ocsa and the public school average diversity score of California by year, with the latest 2022-23 school year data. This chart displays the diversity score of Ocsa and the public school average diversity score of California by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/diversity_score/153000/153028/ocsa-chart-BWQTej.png)
Graduation Rate
≥99%
87%
![This chart displays graduation rate of Ocsa and public school graduation rate of California by year, with the latest 2021-22 school year data. This chart displays graduation rate of Ocsa and public school graduation rate of California by year, with the latest 2021-22 school year data.](http://images1.publicschoolreview.com/charts/graduation_rate/153000/153028/ocsa-chart-brGZ2U2.png)
Eligible for Free Lunch
15%
54%
![This chart displays the percentage of students who is eligible for free lunch in Ocsa and the percentage of public school students who is eligible for free lunch in California by year, with the latest 2022-23 school year data. This chart displays the percentage of students who is eligible for free lunch in Ocsa and the percentage of public school students who is eligible for free lunch in California by year, with the latest 2022-23 school year data.](http://images1.publicschoolreview.com/charts/freelunch_students/153000/153028/ocsa-chart-TbD4qi.png)
Eligible for Reduced Lunch
1%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Profile last updated:
Frequently Asked Questions
What is Ocsa's ranking?
Ocsa is ranked #239 out of 9,602 schools, which ranks it among the top 5% of public schools in California.
What schools are Ocsa often compared to?
Ocsais often viewed alongside schools like Northwood High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
73% of students have achieved math proficiency (compared to the 33% CA state average), while 89% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Ocsa?
The graduation rate of Ocsa is 99%, which is higher than the California state average of 87%.
How many students attend Ocsa?
2,288 students attend Ocsa.
What is the racial composition of the student body?
38% of Ocsa students are Asian, 24% of students are White, 22% of students are Hispanic, 14% of students are Two or more races, 1% of students are Black, and 1% of students are Hawaiian.
What is the student:teacher ratio of Ocsa?
Ocsa has a student ration of 17:1, which is lower than the California state average of 21:1.
What grades does Ocsa offer ?
Ocsa offers enrollment in grades 7-12
What school district is Ocsa part of?
Ocsa is part of Ocsa School District.
School Reviews
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