Serving 2,212 students in grades 9-12, Cosumnes Oaks High School ranks in the top 30% 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 41% (which is higher than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 63% (which is higher than the California state average of 47%).
The student:teacher ratio of 23:1 is higher than the California state level of 22:1.
Minority enrollment is 85% of the student body (majority Asian), which is higher than the California state average of 79% (majority Hispanic).
Quick Stats (2024-25)
- School Type: Magnet School
- Grades: 9-12
- Enrollment: 2,212 students
- Student:Teacher Ratio: 23:1
- Minority Enrollment: 85%
- Graduation Rate: 96% (Top 10% in CA)
- Overall Testing Rank: Top 30%
- Math Proficiency: 41% (Top 50%)
- Reading Proficiency: 63% (Top 20%)
- Science Proficiency: 43% (Top 30%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Cosumnes Oaks High School ranks among the top 20% of public schools in California for:
Category
Attribute
Reading/Language Arts Proficiency
Graduation Rate
Diversity
School Overview
Cosumnes Oaks High School's student population of 2,212 students has stayed relatively flat over five school years.
The teacher population of 97 teachers has stayed relatively flat over five school years.
School Type
Grades Offered
Grades 9-12
Total Students
2,212 students
Gender %
Total Classroom Teachers
97 teachers
Students by Grade
School Calendar
School Rankings
Cosumnes Oaks High School ranks within the top 30% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Cosumnes Oaks High School is 0.76, which is more than the diversity score at state average of 0.64. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#2311 out of 9602 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
41%
33%
Reading/Language Arts Test Scores (% Proficient)
63%
47%
Science Test Scores (% Proficient)
43%
29%
Student : Teacher Ratio
23:1
22:1
American Indian
1%
1%
Asian
40%
12%
Hispanic
21%
55%
Black
12%
5%
White
15%
21%
Hawaiian
1%
n/a
Two or more races
10%
6%
All Ethnic Groups
Graduation Rate
96%
87%
Eligible for Free Lunch
27%
51%
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 Cosumnes Oaks High School's ranking?
Cosumnes Oaks High School is ranked #2311 out of 9,602 schools, which ranks it among the top 30% of public schools in California.
What schools are Cosumnes Oaks High School often compared to?
Cosumnes Oaks High Schoolis often viewed alongside schools like Franklin High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
41% of students have achieved math proficiency (compared to the 33% CA state average), while 63% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Cosumnes Oaks High School?
The graduation rate of Cosumnes Oaks High School is 96%, which is higher than the California state average of 87%.
How many students attend Cosumnes Oaks High School?
2,212 students attend Cosumnes Oaks High School.
What is the racial composition of the student body?
40% of Cosumnes Oaks High School students are Asian, 21% of students are Hispanic, 15% of students are White, 12% of students are Black, 10% of students are Two or more races, 1% of students are American Indian, and 1% of students are Hawaiian.
What is the student:teacher ratio of Cosumnes Oaks High School?
Cosumnes Oaks High School has a student ration of 23:1, which is higher than the California state average of 22:1.
What grades does Cosumnes Oaks High School offer ?
Cosumnes Oaks High School offers enrollment in grades 9-12
What school district is Cosumnes Oaks High School part of?
Cosumnes Oaks High School is part of Elk Grove Unified School District.
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