School Overview
Ontario High School, located at 901 W. Francis St. in Ontario, California, serves as a cornerstone of the Chaffey Joint Union High School District (CJUHSD). As a long-standing institution in the community, the school is dedicated to preparing its diverse student body for post-secondary success by offering a comprehensive curriculum that balances rigorous academic standards with a wide array of extracurricular opportunities.

The school places a strong emphasis on fostering a supportive learning environment where students are encouraged to engage in athletics, performing arts, and various career-technical pathways. By leveraging the resources of the CJUHSD, Ontario High School aims to equip its graduates with the critical thinking skills, technological literacy, and civic responsibility necessary to thrive in an evolving global landscape.
2,182
Total Students
96.7
Full-Time Teachers
22.6
Student/Teacher Ratio
79.2%
Free/Reduced Lunch
Student Demographics

Student Demographics Data Table

Student Demographics for Ontario High
Demographic Student Count
White60
Hispanic1,949
Black44
Asian74
Two or More30
American Indian19
Pacific Islander6
  • Hispanic
    1,949 (89.3 %)
  • Asian
    74 (3.4 %)
  • White
    60 (2.7 %)
  • Black
    44 (2.0 %)
  • Two or More
    30 (1.4 %)
  • American Indian
    19 (0.9 %)
  • Pacific Islander
    6 (0.3 %)
School Location
School Details
Status: Open
School Level: High School
School Type: Regular School
Charter Status:* Public Non-Charter
Virtual Instruction: Supplemental Virtual
Shared Time Status: N/A
District: Chaffey Joint Union High
Phone: (909)988-7411
Website: http://www.cjuhsd.net
Grade Range: 9th - 12th
Total Students: 2,182
Full-Time Teachers (FTE): 96.7
Pupil/Teacher Ratio: 22.6
NSLP Participation:1 Yes under Community Eligibility Option (CEO)
Qualified Free Lunch: 1,400
Qualified Reduced Lunch: 328
Grades Taught
Grade 9 589
Grade 10 498
Grade 11 572
Grade 12 523

Grades Taught Data Table

Grades Taught and Student Counts for Ontario High
Grade Student Count
Grade 9589
Grade 10498
Grade 11572
Grade 12523
Gender Ratio

Student Gender Ratio Data Table

Student Gender Ratio for Ontario High
Gender Student Count Percentage
Female1,06248.7%
Male1,12051.3%
Nearby High Schools (Within 10 Miles)