Ray Wiltsey Middle

1450 East G St., Ontario, CA 91764

CSchola Grade
Grades
6–8
Middle
Students
727
Enrolled 2024–25
Students per teacher
17.5 : 1
Full-time teachers
District
Ontario-Montclair
San Bernardino County

Schola Grade C · Average

Letter grade (A–F) · compared with 1,332 California middle schools · How we grade
Test scores26% proficient in math & reading
37thpercentile
Equity26% of low-income students proficient
46thpercentile
Attendance30% chronically absent
35thpercentile
Class size17.5 students per teacher
86thpercentile

Percentiles compare this school with other California middle schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Ray Wiltsey Middle

Ray Wiltsey Middle is a public middle school in Ontario, California, serving grades 6–8. It is part of Ontario-Montclair. The school is located in a midsize city in San Bernardino County.

In the 2024–25 school year, 727 students were enrolled, with about 17.5 students for every full-time teacher. That ratio is smaller than the typical California middle school (21.0 students per teacher). Its Schola Grade is C (average), compared with 1,332 California middle schools.

Grades & enrollment

Students per grade, 2024–25Grades 6–8

Location & nearby schools

1450 East G St.
Ontario, CA 91764
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School details

Type
Public School · What this means
Level
Middle
Grades offered
6–8
Enrollment (2024–25)
727 students
Students per teacher
17.5 to 1
Charter school
No
Magnet school
No
Virtual learning
Offers virtual courses
Locale
City — Midsize
School district
Ontario-Montclair
County
San Bernardino County
NCES school ID
062847004400

Schools near Ray Wiltsey Middle

All 48 schools in Ontario →
Oaks Middle
Public · Grades 7–8 · 668 students
B3.3 mi

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.