Cosumnes Oaks High


Student Enrollment
Best High School in California
 Rating 8 out of 10
Grades 9 to 12th grade
School District Elk Grove Unified
Type Public
 Phone (916)683-7670
 Location 8350 Lotz Pkwy.
Elk Grove, CA 95757
Charter School No

Cosumnes Oaks High has an academic rating well above the average for California high schools based on its high test performance and average AP course participation. It is ranked 212nd in the best public high schools in California.

Data Citation: Unless otherwise noted, all information on this page is retrieved or calculated from data reported to the the U.S. Department of Education National Center for Education Statistics Common Core of Data and Civil Rights Data Collection for the 2014/2015 school year.

Racial Demographics

The Cosumnes Oaks High student body is predominantly White with a sizeable Hispanic population and has very high racial diversity.

Race Percent Students
Asian Pacific20%429
Native American Indian0.6%12
Hawaiian Pacific Inlander0.9%19
Two or more races8.1%174

Family Income

vs. other California high schools
Upper 21.4%

23.9% percent of the school's students are eligible for free lunch under the National School Lunch Program compared to the California high school median of 48.5%. By this measure, Cosumnes Oaks High students are largely upper income and rank 272nd in California for high school student family income.

Enrollment by Grade

Grade Students


State Standardized Test Performance

Proficient Students
Rank in California
8 out of 10

Students at Cosumnes Oaks High scored an average 61% of students proficient for math and reading as tested by the California Department of Education. Performance is well above the state high school median of 42% proficiency and places the school's test performance in the top 16.6% of California high schools.

Test Proficiency By Gender

Gender Math Proficient Reading Proficient
Girls55% to 59%*85% to 89%*
Boys40% to 44%*60% to 64%*

State Test Proficiency by Subgroup

Subgroup Math Proficient Reading Proficient
American Indiansuppressed*suppressed*
Asian & Pacific Islander65% to 69%*75% to 79%*
Black30% to 34%*65% to 69%*
Hispanic40% to 44%*70% to 74%*
Multiracial21% to 39%*60% to 79%*
White50% to 54%*70% to 74%*
With Disabilitesless than 50%*less than 50%*
Limited Englishless than 50%*less than 50%*

*Indicates statistic has been anonymized to protect student privacy.

College Admission Test Scoring

Average SAT Score

The average SAT score for Cosumnes Oaks High students in 2016 was 1108.

College Admission Test Participation

Upperclassmen taking ACT or SAT
Rank in California
4 out of 10

259 out of 975 junior and senior of students took either the ACT or SAT test (27%). College admission testing participation is slightly below the California median rate of 29% and in the bottom 44% for participation.

AP Course and Test Performance

AP Class Enrollment Rate
AP Pass Rank in California
AP Pass Rate Rating
6 out of 10

Cosumnes Oaks High offers 17 AP courses. 27 percent of grade nine through twelve students are enrolled in at least one AP class. The AP participation rate is in the 70% percentile and somewhat above the median AP enrollment rate for all California schools of 21%. Cosumnes Oaks High had 429 taking AP exams with a 283 passing at least one exam. The AP pass rate is in the 66% percentile and somewhat above the California state median of 55 percent.

School State
AP Test Pass Rate 66% 55%
Students enrolled in an AP class 27% 21%
AP Math Enrollment Rate 5%
AP Science Enrollment Rate 10%
AP Other Enrollment Rate 25%
AP Courses Offered 17

Absenteeism Rate

School State
Overall Chronic Absenteeism Rate13%14%
Female Chronic Absenteeism Rate13%
Male Chronic Absenteeism Rate12%

Police Referral Rate

Group Percent Referrals
All Students1.8%36
California Median0%

Police Arrest Rate

Group Percent Arrests
All Students0.2%4

Expulsion Rate

Group Percent Expulsions
All Students0.4%8
California Median0%

In-School Suspension Rate

Group Percent Suspensions
All Students7.5%152
California Median0.3%

Out-of-School Suspension Rate

Group Percent Suspensions
All Students3.2%66


Cosumnes Oaks High
8350 Lotz Pkwy.
Elk Grove, CA

9 out of 10 1


Elk Grove Unified
Elk Grove, CA