PROFICIENCY 61% 60% higher than state average
School Rankings Proficiency Averages
44%Elk Grove Unified
25%Elk Grove

Cosumnes Oaks High is a school servicing grades 9 to 12 and is located in the district of "Elk Grove Unified" in Elk Grove, CA. There are a total of 2,148 students and 102 teachers at Cosumnes Oaks High, for a student to teacher ratio of 22 to 1. There are a total of 513 free lunch students and 220 reduced lunch students.

Cosumnes Oaks High has an average proficiency test score (in mathematics and languages) of 61.0%, which is 60% higher than the California average.


Student/Teacher ratio22:1
Free lunch513
Reduced lunch220


Advanced Placement
AP enrollment571
Taking some courses433
Taking some courses (not tests)130
Passing some courses283
Passing no courses146

Advanced placement (AP) is a program that offers high school students the ability to take college level courses and exams. These programs were created to be at the same level of most first year university courses. If the students were successful in the AP programs, they could potentially receive advanced placement, credit or exemptions when they go on to university. At Cosumnes Oaks High, there are a total of 571 students enrolled in advanced placement courses, with 433 taking some courses.

Proficiency in mathematics comparison

Proficiency in languages comparison

Proficiency in mathematics by grade

High School49%

Proficiency in languages by grade

High School73%

The proficiency in math and languages tables represent the percentage of students that scored at or above the proficiency level on their standardized state assessment tests. Although these tests are standardized within each state, the tests may vary from state to state. Comparing the results of one state to another may not always be an accurate or fair comparison.

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Cosumnes Oaks High race/ethnicity breakdown

Caucasian 32.3% 21.8% 24.1% 51.1%
African American 18.8% 14.8% 6.2% 15.9%
Asian 18.9% 27.5% 11.1% 4.7%
Hispanic or Latino 21.9% 26.6% 54.1% 23.6%
American Indian and Alaskan 0.3% 0.7% 0.7% 1.2%
Hawaiian 0.8% 1.7% 0.8% 0.4%
Multiracial 7.0% 7.0% 3.1% 3.1%

Other schools nearby

Elizabeth Pinkerton Middle School57%0.7Elk Grove, CA
Elk Grove High55%1.4Elk Grove, CA
Ellen Feickert Elementary41%1.4Elk Grove, CA
Elitha Donner Elementary38%1.4Elk Grove, CA
California Montessori Project - Elk Grove Campus37%1.4Elk Grove, CA
Arlene Hein Elementary68%1.5Elk Grove, CA
Joseph Kerr Middle School45%1.5Elk Grove, CA
Florence Markofer Elementary38%1.6Elk Grove, CA
Harriet G. Eddy Middle School42%1.8Elk Grove, CA
James A. Mckee Elementary51%1.8Elk Grove, CA
Franklin High68%1.8Elk Grove, CA
Toby Johnson Middle School55%2.0Elk Grove, CA

Elk Grove demographics profile

StatisticElk GroveCaliforniaNational
Population density (sq mi)5,68523291
Median age34.536.037.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)48%52%55%
Speak English50%56%79%
Speak Spanish19%29%13%

Education level achieved in Elk Grove

IndexElk GroveCaliforniaNational
Completed 8th grade71.1%81.1%84.3%
Completed high school69.1%79.8%83.0%
Completed some college43.8%61.5%59.4%
Completed associate degree19.7%39.8%38.5%
Completed bachelors11.9%32.0%30.3%
Completed masters2.7%11.9%11.5%
Completed professional degree0.8%3.9%3.3%
Completed doctorate0.3%1.6%1.3%
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Source: The Cosumnes Oaks High data displayed above is derived from the 2016 National Center for Education Statistics and from the U.S. Department of Education.
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