Charter Oak High

Summary:

Charter Oak High is a public high school located in Covina, California, serving grades 9-12 with a total enrollment of 1,329 students. The school is part of the Charter Oak Unified School District, which is ranked 642 out of 1,568 districts in California and has a 3-star rating from SchoolDigger.

Charter Oak High stands out as a high-performing institution, with consistently high four-year graduation rates ranging from 96.3% to 99.0% over the past five school years, significantly higher than the state average and the graduation rates of nearby schools like Arrow High (Continuation) and Fairvalley High (Continuation). The school also has very low dropout rates, ranging from 0.0% to 1.7%, much lower than the nearby continuation schools. While Charter Oak High has seen an increase in chronic absenteeism, its current rate of 13.3% is still lower than the rates of nearby schools like Sierra High (60.5%) and Whitcomb Continuation High (76.0%).

Academically, Charter Oak High consistently outperforms the Charter Oak Unified School District and the state of California in the percentage of students who are proficient or better in Smarter Balanced Assessments for English Language Arts/Literacy and Mathematics, as well as in the California Science Test (CAST). The school's performance on various student subgroups is mixed, with strong results for African American and Hispanic students but relatively lower performance for Asian and Multi-racial students. Despite serving a high proportion of students from low-socioeconomic backgrounds, Charter Oak High has maintained its strong academic standing, suggesting effective strategies for supporting these students.


Detail:

Public 9-12

 1430 East Covina Blvd.
       Covina, CA  91724-1651


(626) 915-5841

District: Charter Oak Unified

SchoolDigger Rank:
764th of 2,323 California High Schools

Per Pupil Expenditures:  $7,359 Help


Feeder schools for Charter Oak High:

Elementary:    Badillo Elementary
    Cedargrove Elementary
    Glen Oak Elementary
    Washington Elementary
    More...
Middle:    Royal Oak Middle

Student/teacher ratio:  22.5 Help
Number of students:  1,329

Racial breakdown:

Hispanic:
71.4%
White:
13.5%
Asian:
7.0%
more

Free/discounted lunch recipients:  60.9% Help


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Performance Trends
Help
Compare Details Charter Oak High ranks better than 67.1% of high schools in California. (See more...)
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Compare Details In 2024 the calculated Average Standard Score was 54.59. (See more...)
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The Adjusted Cohort Graduation Rate (ACGR) measures the percentage of Charter Oak High freshmen who graduate within four years, adjusting for students who transfer in or out.
Help
The high school dropout rate measures the percentage of students who do not complete their high school education.
Help
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
Help
Compare Details Charter Oak High has the largest high school student body size in the Charter Oak Unified School District. Racial makeup is: Hispanic (71.4%), White (13.5%), Asian (7%). (See more...)
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Compare Details 60.9% of students are receiving a free or discounted lunch. (See more...)
Teachers
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Compare Details The student/teacher ratio at Charter Oak High is 22.5, which is the highest among 3 high schools in the Charter Oak Unified School District! (See more...)
Help
Compare Charter Oak High employs 58.9 full-time teachers.
Finance
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Compare Details The average total spent per student at Charter Oak High is $7,359, which is the lowest among 3 high schools in the Charter Oak Unified School District!
Schooldigger 2024 Rankings:

Charter Oak High:

SchoolDigger ranks Charter Oak High 764th of 2323 California public high schools. (See Charter Oak High in the ranking list.)

High School Test Score Ratings by Student Subgroup:


Special Education students:
Low Socio Economic Status students:
Homeless students:
Female students:
Male students:
African American students:
Hispanic students:
White students:


Charter Oak Unified:

SchoolDigger ranks Charter Oak Unified 642nd of 1568 California school districts. (See district ranking list.)


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Rank History for Charter Oak High

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Rank History for all students at Charter Oak High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2004 43.49 623rd 1653 62.3%
2005 48.53 625th 1901 67.1%
2006 46.13 710th 1968 63.9%
2007 45.32 747th 2063 63.8%
2008 51.39 648th 2117 69.4%
2009 53.36 650th 2238 71.0%
2010 53.82 654th 2281 71.3%
2011 56.01 639th 2367 73.0%
2012 57.98 589th 2354 75.0%
2013 58.75 563rd 2426 76.8%
2015 74.84 456th 1994 77.1%
2016 70.09 561st 2039 72.5%
2017 67.22 650th 2021 67.8%
2018 56.93 865th 2017 57.1%
2019 68.81 561st 2133 73.7%
2021 73.64 310th 1290 76.0%
2022 56.68 786th 2123 63.0%
2023 60.98 635th 2348 73.0%
2024 54.59 764th 2323 67.1%
See the entire list of California High School Rankings!

Rank History for Multi-racial students at Charter Oak High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2019 51.95 218th 422 48.3%
See the entire list of Best California High Schools for Multi-racial Students!

Rank History for English Language Learner students at Charter Oak High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 58.69 225th 938 76.0%
2019 58.05 201st 941 78.6%
2022 40.03 522nd 1044 50.0%
2023 58.56 155th 1323 88.3%
See the entire list of Best California High Schools for English Language Learner Students!

Rank History for Special Education students at Charter Oak High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2023 58.56 343rd 1547 77.8%
2024 35.82 806th 1534 47.5%
See the entire list of Best California High Schools for Special Education Students!

Rank History for Low Socio Economic Status students at Charter Oak High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 47.89 1015th 1862 45.5%
2019 67.84 505th 1937 73.9%
2021 80.59 183rd 1126 83.7%
2022 53.73 774th 1943 60.2%
2023 64.73 528th 2247 76.5%
2024 57.84 649th 2235 71.0%
See the entire list of Best California High Schools for Low Socio Economic Status Students!

Rank History for Homeless students at Charter Oak High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2022 63.61 81st 290 72.1%
2023 75.94 64th 417 84.7%
2024 78.02 63rd 451 86.0%
See the entire list of Best California High Schools for Homeless Students!

Rank History for Female students at Charter Oak High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 52.22 852nd 1760 51.6%
2019 61.17 620th 1833 66.2%
2021 71.01 279th 1054 73.5%
2022 45.56 924th 1858 50.3%
2023 57.80 646th 2118 69.5%
2024 55.75 687th 2098 67.3%
See the entire list of Best California High Schools for Female Students!

Rank History for Disabled students at Charter Oak High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 67.11 216th 1052 79.5%
2019 57.35 316th 1117 71.7%
2022 44.80 482nd 1161 58.5%
See the entire list of Best California High Schools for Disabled Students!

Rank History for Male students at Charter Oak High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 55.90 801st 1834 56.3%
2019 68.93 501st 1880 73.4%
2021 68.97 305th 1122 72.8%
2022 61.55 617th 1916 67.8%
2023 61.06 590th 2207 73.3%
2024 51.27 772nd 2172 64.5%
See the entire list of Best California High Schools for Male Students!

Rank History for Asian students at Charter Oak High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 44.14 363rd 581 37.5%
2019 63.14 239th 582 58.9%
2022 46.62 335th 581 42.3%
2023 54.05 373rd 731 49.0%
See the entire list of Best California High Schools for Asian Students!

Rank History for African American students at Charter Oak High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 30.62 398th 582 31.6%
2022 53.00 193rd 522 63.0%
2024 62.22 213th 721 70.5%
See the entire list of Best California High Schools for African American Students!

Rank History for Hispanic students at Charter Oak High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 50.17 909th 1742 47.8%
2019 70.63 422nd 1814 76.7%
2022 56.59 685th 1861 63.2%
2023 68.44 443rd 2142 79.3%
2024 57.01 670th 2125 68.5%
See the entire list of Best California High Schools for Hispanic Students!

Rank History for White students at Charter Oak High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 64.37 465th 1173 60.4%
2019 54.19 567th 1222 53.6%
2022 58.51 484th 1204 59.8%
2023 44.05 691st 1434 51.8%
2024 63.08 398th 1406 71.7%
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.

Charter Oak 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 Charter Oak High

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Compare
Year White African American Asian Hispanic American Indian Pacific Islander Two or More Races Not Specified Total
1988 1295 26 113 280 5 n/a n/a 0 1719
1989 1151 45 112 276 5 n/a n/a 0 1589
1990 1098 42 98 297 0 n/a n/a 0 1535
1991 1007 57 125 353 0 n/a n/a 0 1542
1992 1027 60 141 383 2 n/a n/a 0 1613
1993 1010 65 143 432 4 n/a n/a 0 1654
1994 943 68 161 466 7 n/a n/a 0 1645
1995 954 72 123 486 3 n/a n/a 0 1638
1996 954 72 123 486 3 n/a n/a 0 1638
1997 910 69 142 517 3 n/a n/a 0 1641
1998 920 79 142 574 4 n/a n/a 0 1719
1999 924 72 154 588 7 n/a n/a 0 1745
2000 954 84 165 646 6 n/a n/a 0 1855
2001 851 94 200 711 11 n/a n/a 32 1899
2002 806 79 235 809 12 n/a n/a 42 1983
2003 806 79 235 809 12 n/a n/a 42 1983
2004 800 87 217 919 9 n/a n/a 38 2070
2005 830 114 222 995 9 n/a n/a 49 2219
2006 714 99 179 998 12 n/a n/a 122 2124
2007 676 99 148 972 11 n/a n/a 230 2136
2008 690 85 142 914 9 n/a n/a 0 1840
2009 648 80 133 878 2 9 209 0 1959
2010 556 63 136 1138 9 4 89 0 1995
2011 512 62 117 1128 13 5 73 0 1910
2012 469 58 113 1156 12 7 76 0 1891
2013 452 64 113 1130 20 9 63 0 1851
2014 418 62 122 1072 17 8 57 0 1756
2015 415 66 120 1058 15 7 54 0 1735
2016 387 60 126 1007 12 7 46 0 1645
2017 357 59 121 977 6 5 41 0 1566
2018 312 44 109 986 5 8 50 0 1514
2019 284 47 118 967 6 5 40 0 1467
2020 268 42 108 972 9 2 40 0 1441
2021 228 43 109 974 6 5 40 1 1406
2022 199 52 101 911 5 5 41 1 1315
2023 180 68 93 949 5 4 28 2 1329

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 Charter Oak High

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
1988 1719 68.5 25.0 n/a
1989 1589 59.4 26.7 n/a
1990 1535 60.2 25.4 n/a
1991 1542 60.8 25.3 n/a
1992 1613 61.8 26.1 10.2
1993 1654 61.8 26.8 9.4
1994 1645 63.3 26.0 10.5
1995 1638 61.5 26.6 14.9
1996 1638 61.5 26.6 14.9
1997 1641 61.7 26.6 14.2
1998 1719 64.0 26.9 16.9
1999 1745 64.8 26.9 15.9
2000 1855 65.6 28.3 15.6
2001 1899 69.8 27.2 16.2
2002 1983 73.0 27.2 15.1
2003 1983 73.0 27.2 15.1
2004 2070 77.8 26.6 14.6
2005 2219 78.8 28.2 16
2006 2124 79.2 26.8 19
2007 2136 74.5 28.7 18.3
2008 1840 85.6 21.5 27.5
2009 1959 74.2 23.6 28.3
2010 1995 70.2 28.4 32.3
2011 1910 n/a n/a 31.9
2012 1891 62.0 30.4 n/a
2013 1851 61.2 30.2 46.7
2014 1756 58.8 29.8 47.6
2015 1735 61.0 28.4 47
2016 1645 64.0 25.7 50.2
2017 1566 64.1 24.4 49.6
2018 1514 60.0 25.2 51.5
2019 1467 59.0 24.8 50.6
2020 1441 n/a n/a 51.6
2021 1406 58.0 24.2 48.5
2022 1315 58.0 22.6 67.1
2023 1329 58.9 22.5 60.9

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 Charter Oak High

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
1988 1719 68.5 25.0 n/a
1989 1589 59.4 26.7 n/a
1990 1535 60.2 25.4 n/a
1991 1542 60.8 25.3 n/a
1992 1613 61.8 26.1 10.2
1993 1654 61.8 26.8 9.4
1994 1645 63.3 26.0 10.5
1995 1638 61.5 26.6 14.9
1996 1638 61.5 26.6 14.9
1997 1641 61.7 26.6 14.2
1998 1719 64.0 26.9 16.9
1999 1745 64.8 26.9 15.9
2000 1855 65.6 28.3 15.6
2001 1899 69.8 27.2 16.2
2002 1983 73.0 27.2 15.1
2003 1983 73.0 27.2 15.1
2004 2070 77.8 26.6 14.6
2005 2219 78.8 28.2 16
2006 2124 79.2 26.8 19
2007 2136 74.5 28.7 18.3
2008 1840 85.6 21.5 27.5
2009 1959 74.2 23.6 28.3
2010 1995 70.2 28.4 32.3
2011 1910 n/a n/a 31.9
2012 1891 62.0 30.4 n/a
2013 1851 61.2 30.2 46.7
2014 1756 58.8 29.8 47.6
2015 1735 61.0 28.4 47
2016 1645 64.0 25.7 50.2
2017 1566 64.1 24.4 49.6
2018 1514 60.0 25.2 51.5
2019 1467 59.0 24.8 50.6
2020 1441 n/a n/a 51.6
2021 1406 58.0 24.2 48.5
2022 1315 58.0 22.6 67.1
2023 1329 58.9 22.5 60.9

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 Charter Oak High

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YearTotal Expenditures Per Pupil
2018 $7,359

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

Impact of COVID-19 on Charter Oak 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 561st of 2133 High schoolsRanks 635th of 2348 High schools
 0.7%

Test Scores

% proficient
Pre-pandemic (2018-2019)
% proficient
Post pandemic (2022-2023)
Change (%)
11th Grade English Language Arts/Literacy (Charter Oak High)62.364.4
 2.1%
   11th Grade English Language Arts/Literacy (Charter Oak Unified)58.855.5
 3.3%
   11th Grade English Language Arts/Literacy (California)57.355.4
 1.9%
11th Grade Mathematics (Charter Oak High)36.430.6
 5.8%
   11th Grade Mathematics (Charter Oak Unified)32.525.4
 7.1%
   11th Grade Mathematics (California)32.227.4
 4.9%
12th Grade Science (Charter Oak High)23.618.5
 5.1%
   12th Grade Science (Charter Oak Unified)22.519.3
 3.1%
   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 Students14671329
 9.4%
African American4768
 44.7%
American Indian65
 16.7%
Asian11893
 21.2%
Hispanic967949
 1.9%
Pacific Islander54
 20%
White284180
 36.6%
Two or More Races4028
 30%
% Free/Discounted Lunch Recipients50.6%60.9%
 10.4%


Schools Near Charter Oak High









Frequently Asked Questions about Charter Oak High

In the 2022-23 school year, 1,329 students attended Charter Oak High.

Charter Oak High is fed by the following schools:

Elementary : Badillo Elementary
Elementary : Cedargrove Elementary
Elementary : Glen Oak Elementary
Elementary : Washington Elementary
Elementary : Willow Elementary
Middle : Royal Oak Middle

Students at Charter Oak High are 71% Hispanic, 14% White, 7% Asian, 5% African American, 2% Two or more races.

Charter Oak High ranks 764th of 2323 California high schools. SchoolDigger rates this school 3 stars out of 5.


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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.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries 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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