Ontario Public Schools | 1297 W Idaho Ave Ontario, OR 97914 (541) 889-5584 | |
| 1252 Alameda Dr Ontario, OR 97914 (541) 889-5497 | |
| 402 Annex Rd Ontario, OR 97914 (541) 262-3280 | |
| PO Box 131 Arock, OR 97902 (541) 586-2325 | |
| 531 Highway 20 26 Ontario, OR 97914 (541) 889-5745 | |
| 2232 Sw 4th Ave Ontario, OR 97914 (541) 889-3715 | |
| 500 Se 3rd St Ontario, OR 97914 (208) 452-6363 | |
| 2987 Harper Westfall Rd Harper, OR 97906 (541) 358-2473 | |
| Jordan Valley, OR 97910 (541) 586-2568 | |
| PO Box 99 Jordan Valley, OR 97910 (541) 586-2213 | |
| PO Box 248 Juntura, OR 97911 (541) 277-3261 | |
| 1115 W Idaho Ave Ontario, OR 97914 (541) 881-1112 | |
| 590 Nw 8th St Ontario, OR 97914 (541) 889-5379 | |
| 195 Sw 3rd Ave Ontario, OR 97914 (541) 881-1351 | |
| 804 Adrian Blvd Nyssa, OR 97913 (541) 372-3582 | |
| 809 Adrian Blvd Nyssa, OR 97913 (541) 372-3582 | |
| 824 Adrian Blvd Nyssa, OR 97913 (541) 372-2287 | |
| 101 S 11th St Nyssa, OR 97913 (541) 372-3891 | |
| 195 Sw 3rd Ave Ontario, OR 97914 (541) 889-5300 | |
| 1115 W Idaho Ave Ontario, OR 97914 (541) 889-5309 | |
| 573 Sw 2nd Ave Ontario, OR 97914 (541) 889-5377 | |
| 1115 W Idaho Ave Ontario, OR 97914 (541) 881-1112 | |
| 617 Nw 6th St Ontario, OR 97914 (541) 889-6199 | |
| 689 Nw 6th St Ontario, OR 97914 (541) 881-1274 | |
| 195 Sw 3rd Ave Ontario, OR 97914 (541) 889-5374 | |
| Map  No Address - Not on Map | |