| School Name | Grades | Address | Zip | Phone | County | Type | District Name |
| Armstrong Elementary School | K-6 | 22750 Beaverhead Drive
Diamond Bar, CA | 91765 | (909) 397-4563 | Los Angeles | public | Pomona Unified |
| Castle Rock Elementary School | K-5 | 2975 Castle Rock Road
Diamond Bar, CA | 91765 | (909) 598-5006 | Los Angeles | public | Walnut Valley Unified |
| Chaparral Middle School | 6-8 | 1408 South Spruce Tree Drive
Diamond Bar, CA | 91765 | (909) 861-6227 | Los Angeles | public | Walnut Valley Unified |
| Diamond Bar High School | 9-12 | 21400 Pathfinder Road
Diamond Bar, CA | 91765 | (909) 594-1405 | Los Angeles | public | Walnut Valley Unified |
| Diamond Bar Montessori Academy | K-3 | 23555 Palomino Drive
Diamond Bar, CA | 91765 | (909) 396-8747 | Los Angeles | private | |
| Diamond Bar Montessori Academy | PK-3 | 23555 Palomino Dr
Diamond Bar, CA | 91765 | (909) 396-8747 | Los Angeles | private | |
| Diamond Point Elementary School | K-6 | 24150 Sunset Crossing Road
Diamond Bar, CA | 91765 | (909) 397-4587 | Los Angeles | public | Pomona Unified |
| Discovery World Montessori School | K-6 | 782/784 Pinefalls Avenue
Diamond Bar, CA | 91789 | (909) 598-5540 | Los Angeles | private | |
| Evergreen Elementary School | K-5 | 2450 South Evergreen Springs
Diamond Bar, CA | 91765 | (909) 594-1041 | Los Angeles | public | Walnut Valley Unified |
| Golden Springs Elementary School | K-7 | 245 South Ballena Drive
Diamond Bar, CA | 91765 | (909) 397-4596 | Los Angeles | public | Pomona Unified |
| La Petite Academy | K | 722 Grand Ave
Diamond Bar, CA | 91765 | (909) 860-4009 | Los Angeles | private | |
| Lorbeer Middle School | 7-8 | 501 Diamond Bar Boulevard
Diamond Bar, CA | 91765 | (909) 397-4527 | Los Angeles | public | Pomona Unified |
| Maple Hill Elementary School | K-5 | 1350 Maple Hill Road
Diamond Bar, CA | 91765 | (909) 861-6224 | Los Angeles | public | Walnut Valley Unified |
| Mount Calvary Lutheran School | K-8 | 23300 Golden Springs Drive
Diamond Bar, CA | 91765 | (909) 861-2740 | Los Angeles | private | |
| Pantera Elementary School | K-6 | 801 Pantera Drive
Diamond Bar, CA | 91765 | (909) 397-4475 | Los Angeles | public | Pomona Unified |
| Quail Summit Elementary School | K-5 | 23330 East Quail Summit Drive
Diamond Bar, CA | 91765 | (909) 861-3004 | Los Angeles | public | Walnut Valley Unified |
| Wisdom Kids College | K-8 | 955 South Longview Drive
Diamond Bar, CA | 91765 | (909) 632-8020 | Los Angeles | private | |
