CAPrimaryCalendar available · 38 events · Auto-updating
J. Marion Roynon Elementary — School Profile & District Info
Primary|San Dimas, California|Bonita Unified
San Dimas, CA 91773
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School Profile
Grades
K–5
Enrollment
804
Student:Teacher
24.4:1
Locale
Suburban
District
Bonita UnifiedEcon. Disadvantaged
44.5%
Phone
(909)971-8207School Statistics
Programs & Activities (SY 2021-22)
Gifted & Talented
Student-Teacher Ratio: 24.6:1
Worse than average in CADistrict Finance (FY 2023)
Per-Pupil Spending
$14,544
District-level data
Funding Sources
Federal 6%State 61%Local 33%
Community Context
Median Home Value
$954,296
-0.8% YoY
Los Angeles, CA metro area · Zillow Feb 2026
Community Need Level
Elevated
CDC/ATSDR Social Vulnerability Index 2022
Enrollment Trend (2014-2025)
842
Current enrollment
Growing(+17% 5yr)Frequently Asked Questions about J. Marion Roynon Elementary
J. Marion Roynon Elementary currently enrolls 804 students across Primary grade levels. The school operates under the local school district in CA.
Calendar Guides
School profiles: Data from NCES Common Core of Data. Calendar events from district calendar sources, updated automatically.