| County | Los Angeles | 
|---|---|
| District | Bonita Unified | 
| School | J. Marion Roynon Elementary | 
| CDS Code | 
                        19 64329 6011837
                     | 
| School Address | |
| Mailing Address | 
                                115 West Allen Ave.  San Dimas, CA 91773-1437 | 
| Phone Number | (909) 971-8207 | 
| Fax Number | Information Not Available | 
| Information Not Available | |
| Web Address | Information Not Available | 
| Administrator | |
| Status | Active | 
| Open Date | July 1, 1980 | 
| School Type | Elementary Schools (Public) | 
| Educational Program Type | Traditional | 
| Low Grade | K | 
| High Grade | 5 | 
| Public School | Yes | 
| Charter | No | 
| Magnet | No | 
| Year Round | No | 
| Virtual Instruction | Not Virtual | 
| Multilingual Instruction | No | 
| NCES/Federal School ID | 00510 | 
| Statistical Info | Link to School Profile | 
| CDS Coordinator (Contact for Data Updates) | Margaret McDonald (909) 971-8200 Ext. 5101 Request Data Update(s) | 
| Last Updated | May 23, 2025 |