| County | San Bernardino | 
|---|---|
| District | Colton Joint Unified | 
| School | Ruth O. Harris Middle | 
| CDS Code | 
                     
                        36 67686 6111108
                     
                 | 
            
| School Address | |
| Mailing Address | 
                             
                                11150 Alder Ave.  
                    Bloomington, CA 92316-3006  | 
            
| Phone Number | (909) 580-5020 | 
| Fax Number | Information Not Available | 
| Information Not Available | |
| Web Address | Information Not Available | 
| Administrator | |
| Status | Active | 
| Open Date | September 7, 1993 | 
| School Type | Intermediate/Middle Schools (Public) | 
| Educational Program Type | Traditional | 
| Low Grade | 7 | 
| High Grade | 8 | 
| Public School | Yes | 
| Charter | No | 
| Magnet | No | 
| Year Round | No | 
| Virtual Instruction | Not Virtual | 
| Multilingual Instruction | No | 
| NCES/Federal School ID | 02599 | 
| Statistical Info | Link to School Profile | 
| CDS Coordinator (Contact for Data Updates)  | 
                    
                        Tina Petersen (909) 580-6531 Request Data Update(s)  | 
                
| Last Updated | August 11, 2025 |