| Business | Phone |
| Alta Loma Christian School 9974 19th St, Alta Loma 91737 | (909) 989-2804 |
| Alta Loma Elementary School 7085 Amethyst Ave, Alta Loma 91701 | (909) 484-5000 |
| Alta Loma High School 8880 Baseline Rd, Alta Loma 91701 | (909) 989-5511 |
| Alta Loma Junior High School 9000 Lemon Ave, Alta Loma 91701 | (909) 484-5100 |
| Alta Loma School District 9390 Baseline Rd, Alta Loma 91701 | (909) 484-5190 |
| Alta Loma School District Office 9340 Baseline Rd, Alta Loma 91701 | (909) 484-5151 |
| Banyan School 10900 Mirador Dr, Alta Loma 91737 | (909) 484-5080 |
| Carelton P Lightfoot Elem 6989 Kenyon Way, Alta Loma 91701 | (909) 989-6120 |
| Carnelian Elementary School 7105 Carnelian St, Alta Loma 91701 | (909) 484-5010 |
| Caryn Elementary School 6290 Sierra Crestview Loop, Alta Loma 91737 | (909) 941-9551 |
| Deer Canyon School 10225 Hamilton St, Alta Loma 91701 | (909) 484-5030 |
| Floyd M Stork School 5646 Jasper St, Alta Loma 91701 | (909) 484-5060 |
| Hermosa School 10133 Wilson Ave, Alta Loma 91737 | (909) 484-5040 |
| Jasper School 6881 Jasper St, Alta Loma 91701 | (909) 484-5050 |
| Legacy Christian School 6420 Falling Tree Ln, Alta Loma 91701 | (909) 466-9465 |
| Los Osos High School 6001 Milliken Ave, Alta Loma 91737 | (909) 477-6900 |
| Alta Loma School District 9390 Baseline Rd, Alta Loma 91701 | (909) 484-5151 |
| Rancho Cucamonga High School 11801 Lark Dr, Alta Loma 91701 | (909) 989-1600 |
| Victoria Grove School 10950 Emerson St, Alta Loma 91701 | (909) 484-5070 |
| Vineyard Junior High School 6440 Mayberry Ave, Alta Loma 91737 | (909) 484-5120 |