Ontario-Montclair
Ontario, CA · 33 schools · 18,428 students
Avg Proficiency
38%
Below average
33
Schools
18,428
Students
38%
Avg Proficiency
Largest Schools
Schools ranked by enrollment. Proficiency data from EDFacts where available.
Frequently Asked Questions
Ontario-Montclair has 33 schools serving 18,428 students. The average proficiency rate across the district is 38%.
The largest school in Ontario-Montclair is Ray Wiltsey Middle with 799 students.
Ontario-Montclair serves 18,428 students across 33 schools in CA.
All data comes from the National Center for Education Statistics (NCES) Common Core of Data and EDFacts assessment results. Proficiency rates reflect state standardized test performance.
Last updated:
School performance data is sourced from NCES enrollment records and EDFacts proficiency and graduation rate assessments.