Cosumnes Oaks High

Public 9-12

 8350 Lotz Pkwy.
       Elk Grove, CA  95757


(916) 683-7670

District: Elk Grove Unified

SchoolDigger Rank:
233rd of 2,346 California High Schools

Per Pupil Expenditures:  $6,642 Help


Feeder schools for Cosumnes Oaks High:

Elementary:    Elliott Ranch Elementary
    Franklin Elementary
    Zehnder Ranch Elementary
Middle:    Elizabeth Pinkerton Middle

Student/teacher ratio:  22.7 Help
Number of students:  2,212

Racial breakdown:

Asian:
40.1%
Hispanic:
20.9%
White:
15.1%
more

Free/discounted lunch recipients:  31.3% Help


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 Compare Cosumnes Oaks High to nearby high schools!

Performance Trends
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Compare Details Cosumnes Oaks High ranks better than 90.1% of high schools in California. It also ranks 2nd among 13 ranked high schools in the Elk Grove Unified School District. (See more...)
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Compare Details In 2023 the calculated Average Standard Score was 85.19. (See more...)
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The Adjusted Cohort Graduation Rate (ACGR) measures the percentage of Cosumnes Oaks High freshmen who graduate within four years, adjusting for students who transfer in or out.
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The high school dropout rate measures the percentage of students who do not complete their high school education.
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Chronic absenteeism in a high school refers to a situation where students repeatedly miss school, with the threshold often defined as missing 10% or more of school days for any reason, excused or unexcused.
Student Body
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Compare Details Student population at Cosumnes Oaks High is diverse. Racial makeup is: Asian (40.1%), Hispanic (20.9%), White (15.1%). (See more...)
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Compare Details 31.3% of students are receiving a free or discounted lunch. (See more...)
Teachers
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Compare Details The student/teacher ratio at Cosumnes Oaks High is 22.7. 11 high schools in the Elk Grove Unified School District have better student/teacher ratios. (See more...)
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Compare Cosumnes Oaks High employs 97.2 full-time teachers.
Finance
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Compare Details The average total spent per student at Cosumnes Oaks High is $6,642. 9 high schools in the Elk Grove Unified School District spend more per student.
Schooldigger 2023 Rankings:

Cosumnes Oaks High:

SchoolDigger ranks Cosumnes Oaks High 233rd of 2346 California public high schools. (See Cosumnes Oaks High in the ranking list.)

High School Test Score Ratings by Student Subgroup:


Multi-racial students:
English Language Learner students:
Special Education students:
Low Socio Economic Status students:
Female students:
Male students:
Asian students:
African American students:
Hispanic students:
White students:


Elk Grove Unified:

SchoolDigger ranks Elk Grove Unified 574th of 1560 California school districts. (See district ranking list.)


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Rank History for Cosumnes Oaks High

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Rank History for all students at Cosumnes Oaks High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2009 80.33 109th 2238 95.1%
2010 57.20 573rd 2281 74.9%
2011 64.61 407th 2367 82.8%
2012 62.40 478th 2354 79.7%
2013 64.36 438th 2426 81.9%
2015 86.72 239th 1994 88.0%
2016 84.74 291st 2039 85.7%
2017 85.62 297th 2021 85.3%
2018 81.71 378th 2017 81.3%
2019 88.05 217th 2133 89.8%
2021 87.00 171st 1290 86.7%
2022 86.04 268th 2123 87.4%
2023 85.19 232nd 2335 90.1%
See the entire list of California High School Rankings!

Rank History for Multi-racial students at Cosumnes Oaks High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 43.33 221st 366 39.6%
2019 60.24 169th 422 60.0%
2022 51.01 257th 515 50.1%
2023 38.94 422nd 780 45.9%
See the entire list of Best California High Schools for Multi-racial Students!

Rank History for English Language Learner students at Cosumnes Oaks High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 77.37 109th 938 88.4%
2019 71.86 106th 941 88.7%
2021 93.08 23rd 467 95.1%
2022 80.72 57th 1044 94.5%
2023 69.33 72nd 1315 94.5%
See the entire list of Best California High Schools for English Language Learner Students!

Rank History for Special Education students at Cosumnes Oaks High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2023 59.55 330th 1539 78.6%
See the entire list of Best California High Schools for Special Education Students!

Rank History for Low Socio Economic Status students at Cosumnes Oaks High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 69.54 526th 1862 71.8%
2019 81.25 270th 1937 86.1%
2021 82.05 161st 1126 85.7%
2022 86.87 191st 1943 90.2%
2023 85.04 214th 2237 90.4%
See the entire list of Best California High Schools for Low Socio Economic Status Students!

Rank History for Female students at Cosumnes Oaks High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 77.57 392nd 1760 77.7%
2019 85.72 231st 1833 87.4%
2021 86.30 137th 1054 87.0%
2022 86.44 224th 1858 87.9%
2023 82.01 264th 2106 87.5%
See the entire list of Best California High Schools for Female Students!

Rank History for Disabled students at Cosumnes Oaks High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 68.74 201st 1052 80.9%
2019 40.88 541st 1117 51.6%
2021 76.95 75th 555 86.5%
2022 66.84 224th 1161 80.7%
See the entire list of Best California High Schools for Disabled Students!

Rank History for Male students at Cosumnes Oaks High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 81.42 336th 1834 81.7%
2019 85.68 236th 1880 87.4%
2021 84.87 172nd 1122 84.7%
2022 82.06 292nd 1916 84.8%
2023 85.77 225th 2195 89.7%
See the entire list of Best California High Schools for Male Students!

Rank History for Asian students at Cosumnes Oaks High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 52.48 320th 581 44.9%
2019 71.63 177th 582 69.6%
2022 59.14 273rd 581 53.0%
2023 62.22 308th 727 57.6%
See the entire list of Best California High Schools for Asian Students!

Rank History for African American students at Cosumnes Oaks High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 59.44 199th 582 65.8%
2019 64.45 157th 592 73.5%
2022 81.26 69th 522 86.8%
2023 67.02 183rd 713 74.3%
See the entire list of Best California High Schools for African American Students!

Rank History for Hispanic students at Cosumnes Oaks High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 78.09 345th 1742 80.2%
2019 86.21 168th 1814 90.7%
2022 83.78 208th 1861 88.8%
2023 85.25 167th 2132 92.2%
See the entire list of Best California High Schools for Hispanic Students!

Rank History for White students at Cosumnes Oaks High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 79.33 237th 1173 79.8%
2019 83.77 149th 1222 87.8%
2022 62.51 429th 1204 64.4%
2023 64.49 374th 1424 73.7%
See the entire list of Best California High Schools for White Students!

Data source: test scores: California Department of Education, rankings: SchoolDigger.com

As you review the school rankings data, please be aware that some of the information from certain demographics is missing. The reason for this omission is that the data has been redacted from the source data itself due to low population samples in these specific demographic groups.

Redacting data from low population samples is a necessary step to ensure the reliability and accuracy of the results, as small sample sizes may not be representative of the broader population. Additionally, this measure helps protect the privacy of individuals belonging to these demographic groups.

Cosumnes Oaks High Test Scores
Tests: 
  
Grades: 
  
Years: 
  
Group by: 
District Scores:
State Scores:    
  
Subgroup: 




Data source: California Department of Education

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Enrollment information for Cosumnes Oaks High

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Year White African American Asian Hispanic American Indian Pacific Islander Two or More Races Not Specified Total
2009 216 154 118 102 3 12 70 0 675
2010 342 244 196 218 4 19 46 0 1069
2011 n/a n/a n/a n/a n/a n/a n/a 1461 1461
2012 602 353 264 361 8 26 81 0 1695
2013 624 373 291 413 8 21 92 0 1822
2014 662 385 379 443 9 16 142 0 2036
2015 646 387 429 481 12 19 174 0 2148
2016 631 398 490 484 14 14 206 0 2237
2017 620 420 579 516 12 18 233 0 2398
2018 569 392 624 516 9 18 222 0 2350
2019 500 329 648 497 4 21 208 0 2207
2020 394 300 699 449 4 19 201 0 2066
2021 367 285 748 443 3 23 206 0 2075
2022 352 260 808 472 7 22 211 0 2132
2023 333 273 887 462 11 23 223 0 2212

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Enrollment/Ethnicity

For more information about how the Department of Education defines ethnicity, see Defining Race and Ethnicity Data, National Center for Education Statistics

Students eligible for free or discounted lunch at Cosumnes Oaks High

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2009 675 32.6 17.3 32.6
2010 1069 51.9 20.5 34.9
2011 1461 n/a n/a n/a
2012 1695 74.4 22.7 n/a
2013 1822 79.4 22.9 32.8
2014 2036 92.9 21.8 32.6
2015 2148 102.0 21.0 34.1
2016 2237 107.0 20.9 33.2
2017 2398 105.5 22.7 30.3
2018 2350 103.9 22.6 31.7
2019 2207 98.8 22.3 30.8
2020 2066 n/a n/a 30.7
2021 2075 90.6 22.8 27.4
2022 2132 97.8 21.7 25.2
2023 2212 97.2 22.7 31.3

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Students eligible for discounted/free lunch:

The National School Lunch Program (NSLP) provides low-cost or free meals to students in U.S. public and nonprofit private schools based on household income. Those with incomes below 130% of the poverty line receive free lunch, while those between 130% and 185% qualify for reduced-price lunch. The percentage of students receiving free or reduced-price lunch serves as a marker for poverty, as it reflects the socioeconomic status of families in a given school or district. A higher FRPL rate typically indicates a higher concentration of low-income families, suggesting that the school or district may face additional challenges in providing adequate resources and support for student success.

Student/Teacher Ratio Cosumnes Oaks High

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2009 675 32.6 17.3 32.6
2010 1069 51.9 20.5 34.9
2011 1461 n/a n/a n/a
2012 1695 74.4 22.7 n/a
2013 1822 79.4 22.9 32.8
2014 2036 92.9 21.8 32.6
2015 2148 102.0 21.0 34.1
2016 2237 107.0 20.9 33.2
2017 2398 105.5 22.7 30.3
2018 2350 103.9 22.6 31.7
2019 2207 98.8 22.3 30.8
2020 2066 n/a n/a 30.7
2021 2075 90.6 22.8 27.4
2022 2132 97.8 21.7 25.2
2023 2212 97.2 22.7 31.3

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Student-Teacher Ratio

Student/teacher ratio is calculated by dividing the total number of students by the total number of full-time equivalent teachers. Please note that a smaller student/teacher ratio does not necessarily translate to smaller class size. In some instances, schools hire teachers part time, and some teachers are hired for specialized instruction with very small class sizes. These and other factors contribute to the student/teacher ratio. Note: For private schools, Student/teacher ratio may not include Pre-Kindergarten.
Finances

Per Pupil Expenditures for Cosumnes Oaks High

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YearTotal Expenditures Per Pupil
2018 $6,642

Data source: California Department of Education
Pre and Post Pandemic Data

Impact of COVID-19 on Cosumnes Oaks High

The coronavirus has had a profound impact on education in America. Learning shifted online overnight, attendance numbers dwindled, and enrollment decreased. SchoolDigger.com is making it easier for you to better assess how COVID-19 has impacted your school. Through the collection of pre-pandemic (2019) and current data, SchoolDigger.com is sharing test scores, enrollment numbers and school demographics from schools across the country – and we make it easy to see how impacted schools compare locally and statewide.

Rankings

Rank
Pre-pandemic (2018-2019)
Rank
Post pandemic (2022-2023)
Change (%)
Ranks 217th of 2133 High schoolsRanks 232nd of 2335 High schools
 0.2%

Test Scores

% proficient
Pre-pandemic (2018-2019)
% proficient
Post pandemic (2022-2023)
Change (%)
11th Grade English Language Arts/Literacy (Cosumnes Oaks High)71.273.3
 2.2%
   11th Grade English Language Arts/Literacy (Elk Grove Unified)62.956.6
 6.3%
   11th Grade English Language Arts/Literacy (California)57.355.4
 1.9%
11th Grade Mathematics (Cosumnes Oaks High)53.543.8
 9.7%
   11th Grade Mathematics (Elk Grove Unified)40.234.1
 6.1%
   11th Grade Mathematics (California)32.227.4
 4.9%
12th Grade Science (Cosumnes Oaks High)38.843.1
 4.3%
   12th Grade Science (Elk Grove Unified)27.533.5
 6%
   12th Grade Science (California)25.626.8
 1.2%

Student Body

Number of students
Pre-pandemic (2018-2019)
Number of students
Post pandemic (2022-2023)
Change (%)
Total Students22072212
 0.2%
African American329273
 17%
American Indian411
 175%
Asian648887
 36.9%
Hispanic497462
 7%
Pacific Islander2123
 9.5%
White500333
 33.4%
Two or More Races208223
 7.2%
% Free/Discounted Lunch Recipients30.8%31.3%
 0.5%


Schools Near Cosumnes Oaks High









Frequently Asked Questions about Cosumnes Oaks High

In the 2022-23 school year, 2,212 students attended Cosumnes Oaks High.

Yes. Cosumnes Oaks High ranks in the top 9.9% of California high schools.

Students at Cosumnes Oaks High are 40% Asian, 21% Hispanic, 15% White, 12% African American, 10% Two or more races, 1% Pacific Islander.

Cosumnes Oaks High is fed by the following schools:

Elementary : Elliott Ranch Elementary
Elementary : Franklin Elementary
Elementary : Zehnder Ranch Elementary
Middle : Elizabeth Pinkerton Middle


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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the California Department of Education. School Attendance Areas provided by ATTOM.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that school and district boundary data are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.





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