Avg. test scores NAT. AVG.
High school dipl. NAT. AVG.
Bachelors degree NAT. AVG.
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Ontario school information

Index Ontario California National
Average Test Scores37%43%48%
Student/Teacher ratio21:120:116:1
Total public schools378,30879,221
Total private schools113,43824,874
Total post-secondary schools91,0857,963

Ontario school Rankings

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Key findings

  • The school test scores in Ontario are 23% lower than the national average
  • There are approximately 37 public schools in Ontario
  • 70.6% of people in Ontario have completed 8th grade
  • 68.7% of people in Ontario have completed high school
  • 14.9% of people in Ontario have completed a bachelors degree

Nearby Areas with High Test Scores

See all the best places to live around Ontario

Compare Ontario, CA Schools

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      Education level achieved in Ontario

      Index Ontario California National
      Completed 8th grade70.6%81.1%84.3%
      Completed high school68.7%79.8%83.0%
      Completed some college44.2%61.5%59.4%
      Completed associate degree21.7%39.8%38.5%
      Completed bachelors14.9%32.0%30.3%
      Completed masters3.9%11.9%11.5%
      Completed professional degree0.9%3.9%3.3%
      Completed doctorate0.3%1.6%1.3%

      Ontario, CA School Districts

      • Ontario-Montclair Elementary School District
      • Chaffey Joint Union High School District
      • Mountain View Elementary School District
      • Chino Valley Unified School District
      • Cucamonga Elementary School District

      There are a total of 37 public schools, 11 private schools and 9 post-secondary schools in Ontario. Using the proficiency score averages, the average test scores for Ontario, CA schools is 37%. The average student to teacher ratio is 21:1. In Ontario, CA, an average of 70.6% of students have completed 8th grade and an average of 68.7% have completed high school.

      Nearby cities with high average school scores

      City Population Avg. Test Scores National Avg.
      Yorba Linda, CA68,10372%50.3%
      Walnut, CA29,76470%44.9%
      Diamond Bar, CA55,87067%39.8%
      La Verne, CA32,34667%39.2%
      Eastvale, CA65,76662%29.6%
      Ontario, CA178,19437%23.1%

      Cities with similar population

      City Population Avg. Test Scores National Avg.
      Rancho Cucamonga, CA178,06060%25.3%
      Santa Rosa, CA178,39140%16.6%
      Providence, RI179,47220%59.1%
      Newport News, VA179,58267%39.3%
      Oceanside, CA175,69443%9.5%
      Ontario, CA178,19437%23.1%
      Source: The Ontario, CA education data displayed above is derived from the United States Census Bureau American Community Survey (ACS) and from the National Center for Education Statistics. The average school test scores are based on all schools that completed test scores within the state. Average test scores are conducted by each state independently and the type of tests may change from one state to another. Test scores were not available for all schools within the state, but were available for the vast majority.