Ontario High

Public 9-12

 901 W. Francis St.
       Ontario, CA  91762-6214


(909) 988-7411

District: Chaffey Joint Union High

SchoolDigger Rank:
842nd of 2,346 California High Schools

Per Pupil Expenditures:  $9,919 Help


Feeder schools for Ontario High:

Elementary:    Euclid Elementary
    Lincoln Elementary
    Mission Elementary
    Richard Haynes Elementary
    More...
Middle:    Oaks Middle

Student/teacher ratio:  22.5 Help
Number of students:  2,182

Racial breakdown:

Hispanic:
89.3%
Asian:
3.4%
White:
2.7%
more

Free/discounted lunch recipients:  85.5% Help


 See top rated California high schools

 Compare Ontario High to nearby high schools!

Performance Trends
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Compare Details Ontario High ranks better than 64.1% of high schools in California. It also ranks 8th among 10 ranked high schools in the Chaffey Joint Union High School District. (See more...)
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Compare Details In 2023 the calculated Average Standard Score was 50.97. (See more...)
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The Adjusted Cohort Graduation Rate (ACGR) measures the percentage of Ontario 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 Racial makeup is: Hispanic (89.3%), Asian (3.4%), White (2.7%). (See more...)
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Compare Details 85.5% of students are receiving a free or discounted lunch. (See more...)
Teachers
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Compare Details The student/teacher ratio at Ontario High is 22.5, which is the 4th best among 10 high schools in the Chaffey Joint Union High School District. (See more...)
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Compare Ontario High employs 96.6 full-time teachers.
Finance
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Compare Details The average total spent per student at Ontario High is $9,919, which is the 5th highest among 10 high schools in the Chaffey Joint Union High School District.
Schooldigger 2023 Rankings:

Ontario High:

SchoolDigger ranks Ontario High 842nd of 2346 California public high schools. (See Ontario High in the ranking list.)

High School Test Score Ratings by Student Subgroup:


English Language Learner students:
Special Education students:
Low Socio Economic Status students:
Homeless students:
Female students:
Male students:
Asian students:
Hispanic students:
White students:


Chaffey Joint Union High:

SchoolDigger ranks Chaffey Joint Union High 361st of 1560 California school districts. (See district ranking list.)


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Rank History for Ontario High

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Compare

Rank History for all students at Ontario High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2004 41.12 682nd 1653 58.7%
2005 39.93 804th 1901 57.7%
2006 43.63 761st 1968 61.3%
2007 51.72 623rd 2063 69.8%
2008 51.44 645th 2117 69.5%
2009 54.75 604th 2238 73.0%
2010 49.26 786th 2281 65.5%
2011 52.06 737th 2367 68.9%
2012 53.39 704th 2354 70.1%
2013 53.40 699th 2426 71.2%
2015 57.47 801st 1994 59.8%
2016 56.36 871st 2039 57.3%
2017 70.34 594th 2021 70.6%
2018 74.08 511th 2017 74.7%
2019 56.60 821st 2133 61.5%
2021 53.92 550th 1290 57.4%
2022 52.68 873rd 2123 58.9%
2023 50.97 836th 2335 64.2%
See the entire list of California High School Rankings!

Rank History for English Language Learner students at Ontario High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 45.65 355th 938 62.2%
2019 41.14 433rd 941 54.0%
2021 59.44 120th 467 74.3%
2022 65.89 142nd 1044 86.4%
2023 53.26 217th 1315 83.5%
See the entire list of Best California High Schools for English Language Learner Students!

Rank History for Special Education students at Ontario High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2023 39.59 703rd 1539 54.3%
See the entire list of Best California High Schools for Special Education Students!

Rank History for Low Socio Economic Status students at Ontario High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 83.87 261st 1862 86.0%
2019 64.90 559th 1937 71.1%
2021 63.38 351st 1126 68.8%
2022 59.77 629th 1943 67.6%
2023 61.39 600th 2237 73.2%
See the entire list of Best California High Schools for Low Socio Economic Status Students!

Rank History for Homeless students at Ontario High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2022 56.58 111th 290 61.7%
2023 71.73 75th 417 82.0%
See the entire list of Best California High Schools for Homeless Students!

Rank History for Female students at Ontario High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 73.36 470th 1760 73.3%
2019 53.89 759th 1833 58.6%
2021 45.35 564th 1054 46.5%
2022 48.84 850th 1858 54.3%
2023 48.30 861st 2106 59.1%
See the entire list of Best California High Schools for Female Students!

Rank History for Disabled students at Ontario High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 40.21 531st 1052 49.5%
2019 38.86 576th 1117 48.4%
2021 31.93 378th 555 31.9%
2022 36.72 645th 1161 44.4%
See the entire list of Best California High Schools for Disabled Students!

Rank History for Male students at Ontario High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 70.48 517th 1834 71.8%
2019 52.08 817th 1880 56.5%
2021 55.22 451st 1122 59.8%
2022 52.47 779th 1916 59.3%
2023 50.91 779th 2195 64.5%
See the entire list of Best California High Schools for Male Students!

Rank History for Asian students at Ontario High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 78.31 131st 581 77.5%
2019 68.66 198th 582 66.0%
2023 55.84 358th 727 50.8%
See the entire list of Best California High Schools for Asian Students!

Rank History for African American students at Ontario High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 90.16 55th 582 90.5%
2019 62.88 166th 592 72.0%
2022 68.28 123rd 522 76.4%
See the entire list of Best California High Schools for African American Students!

Rank History for Hispanic students at Ontario High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 83.17 263rd 1742 84.9%
2019 65.89 514th 1814 71.7%
2022 62.63 559th 1861 70.0%
2023 59.37 609th 2132 71.4%
See the entire list of Best California High Schools for Hispanic Students!

Rank History for White students at Ontario High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 42.33 733rd 1173 37.5%
2019 36.36 805th 1222 34.1%
2022 30.95 849th 1204 29.5%
2023 28.35 951st 1424 33.2%
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.

Ontario 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 Ontario High

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Compare
Year White African American Asian Hispanic American Indian Pacific Islander Two or More Races Not Specified Total
1988 999 199 70 882 10 n/a n/a 0 2160
1989 1046 198 90 874 8 n/a n/a 0 2216
1990 977 219 115 938 3 n/a n/a 0 2252
1991 888 235 131 1037 8 n/a n/a 0 2299
1992 868 251 149 1130 18 n/a n/a 0 2416
1993 803 262 177 1206 8 n/a n/a 0 2456
1994 750 265 192 1222 11 n/a n/a 0 2440
1995 696 287 208 1310 10 n/a n/a 0 2511
1996 696 287 208 1310 10 n/a n/a 0 2511
1997 665 290 205 1447 11 n/a n/a 0 2618
1998 655 319 199 1581 13 n/a n/a 0 2767
1999 687 315 200 1681 8 n/a n/a 0 2891
2000 648 320 172 1749 9 n/a n/a 0 2898
2001 608 330 168 1807 9 n/a n/a 1 2923
2002 415 256 142 1868 21 n/a n/a 3 2705
2003 415 256 142 1868 21 n/a n/a 3 2705
2004 320 189 104 1843 12 n/a n/a 45 2513
2005 277 169 95 2011 9 n/a n/a 30 2591
2006 241 121 102 2197 5 n/a n/a 24 2690
2007 210 142 101 2244 6 n/a n/a 8 2711
2008 199 124 102 2341 7 n/a n/a 0 2773
2009 172 120 81 2438 6 10 14 0 2841
2010 157 122 86 2553 7 13 5 0 2943
2011 143 111 83 2561 8 14 12 0 2932
2012 119 98 69 2518 8 14 13 0 2839
2013 112 98 62 2420 10 12 15 0 2729
2014 102 81 54 2342 8 9 20 0 2616
2015 80 75 54 2286 10 12 32 0 2549
2016 66 74 60 2201 13 11 38 0 2463
2017 62 73 66 2130 10 10 34 0 2385
2018 71 64 68 2132 8 9 36 0 2388
2019 77 57 62 2164 12 9 38 0 2419
2020 76 53 56 2120 12 7 33 0 2357
2021 69 56 64 2082 13 5 33 0 2322
2022 61 57 69 2038 22 8 28 3 2286
2023 60 44 74 1949 19 6 30 0 2182

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 Ontario High

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
1988 2160 91.5 23.6 n/a
1989 2216 98.2 22.5 n/a
1990 2252 99.6 22.6 n/a
1991 2299 104.5 22.0 n/a
1992 2416 106.2 22.7 13
1993 2456 96.2 25.5 30.4
1994 2440 97.4 25.1 14.2
1995 2511 97.6 25.7 30.1
1996 2511 97.6 25.7 30.1
1997 2618 100.2 26.1 30.2
1998 2767 107.0 25.9 26.8
1999 2891 111.6 25.9 34.9
2000 2898 120.1 24.1 38.8
2001 2923 119.0 24.6 23.4
2002 2705 113.4 23.9 27.1
2003 2705 113.4 23.9 27.1
2004 2513 104.0 24.2 28.5
2005 2591 106.6 24.3 17.5
2006 2690 114.0 23.6 35
2007 2711 106.7 25.4 44.7
2008 2773 131.2 21.1 44.4
2009 2841 122.0 20.7 55.9
2010 2943 113.4 25.9 63
2011 2932 n/a n/a 70.5
2012 2839 115.5 24.5 n/a
2013 2729 113.5 24.0 76.1
2014 2616 110.2 23.7 77.8
2015 2549 102.0 24.9 74.4
2016 2463 102.0 24.1 87.1
2017 2385 103.0 23.1 85.2
2018 2388 100.2 23.8 86.4
2019 2419 103.0 23.4 83.6
2020 2357 n/a n/a 85.1
2021 2322 103.0 22.5 88.9
2022 2286 99.9 22.8 80.2
2023 2182 96.6 22.5 85.5

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 Ontario High

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
1988 2160 91.5 23.6 n/a
1989 2216 98.2 22.5 n/a
1990 2252 99.6 22.6 n/a
1991 2299 104.5 22.0 n/a
1992 2416 106.2 22.7 13
1993 2456 96.2 25.5 30.4
1994 2440 97.4 25.1 14.2
1995 2511 97.6 25.7 30.1
1996 2511 97.6 25.7 30.1
1997 2618 100.2 26.1 30.2
1998 2767 107.0 25.9 26.8
1999 2891 111.6 25.9 34.9
2000 2898 120.1 24.1 38.8
2001 2923 119.0 24.6 23.4
2002 2705 113.4 23.9 27.1
2003 2705 113.4 23.9 27.1
2004 2513 104.0 24.2 28.5
2005 2591 106.6 24.3 17.5
2006 2690 114.0 23.6 35
2007 2711 106.7 25.4 44.7
2008 2773 131.2 21.1 44.4
2009 2841 122.0 20.7 55.9
2010 2943 113.4 25.9 63
2011 2932 n/a n/a 70.5
2012 2839 115.5 24.5 n/a
2013 2729 113.5 24.0 76.1
2014 2616 110.2 23.7 77.8
2015 2549 102.0 24.9 74.4
2016 2463 102.0 24.1 87.1
2017 2385 103.0 23.1 85.2
2018 2388 100.2 23.8 86.4
2019 2419 103.0 23.4 83.6
2020 2357 n/a n/a 85.1
2021 2322 103.0 22.5 88.9
2022 2286 99.9 22.8 80.2
2023 2182 96.6 22.5 85.5

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 Ontario High

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YearTotal Expenditures Per Pupil
2018 $9,919

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

Impact of COVID-19 on Ontario 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 821st of 2133 High schoolsRanks 836th of 2335 High schools
 2.7%

Test Scores

% proficient
Pre-pandemic (2018-2019)
% proficient
Post pandemic (2022-2023)
Change (%)
11th Grade English Language Arts/Literacy (Ontario High)51.660.5
 8.8%
   11th Grade English Language Arts/Literacy (Chaffey Joint Union High)66.467.5
 1%
   11th Grade English Language Arts/Literacy (California)57.355.4
 1.9%
11th Grade Mathematics (Ontario High)27.520.8
 6.7%
   11th Grade Mathematics (Chaffey Joint Union High)38.434.3
 4.1%
   11th Grade Mathematics (California)32.227.4
 4.9%
12th Grade Science (Ontario High)2117
 4%
   12th Grade Science (Chaffey Joint Union High)23.128.5
 5.4%
   12th Grade Science (California)25.626.9
 1.3%

Student Body

Number of students
Pre-pandemic (2018-2019)
Number of students
Post pandemic (2022-2023)
Change (%)
Total Students24192182
 9.8%
African American5744
 22.8%
American Indian1219
 58.3%
Asian6274
 19.4%
Hispanic21641949
 9.9%
Pacific Islander96
 33.3%
White7760
 22.1%
Two or More Races3830
 21.1%
% Free/Discounted Lunch Recipients83.6%85.5%
 1.9%


Schools Near Ontario High









Frequently Asked Questions about Ontario High

Ontario High ranks 842nd of 2346 California high schools. SchoolDigger rates this school 3 stars out of 5.

Ontario High is fed by the following schools:

Elementary : Euclid Elementary
Elementary : Lincoln Elementary
Elementary : Mission Elementary
Elementary : Richard Haynes Elementary
Elementary : Sultana Elementary
Elementary : Vista Grande Elementary
Middle : Oaks Middle

Students at Ontario High are 89% Hispanic, 3% Asian, 3% White, 2% African American, 1% Two or more races.

In the 2022-23 school year, 2,182 students attended Ontario High.


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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. Attendance Areas provided by ATTOM.

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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