Ontario High School at a glance
- National rank: #5,148 (2026-27 edition)
- California rank: #723
- Previous edition: Was #5,006 in 2022-23
- Graduation rate: 90.8%
- Students: 1,994
Ranks are from the 2026-27 U.S. News & World Report Best High Schools edition. How HighSchoolTrends uses this data.