List of Schools In Montana
| School Name | City | Grades |
|---|---|---|
| O D SPEER SCHOOL 444 MONTANA AVE | DEER LODGE | PK-6 |
| OPHEIM 7-8 SCHOOL 100 ROCK ST | OPHEIM | 7-8 |
| OPHEIM HIGH SCHOOL 100 ROCK ST | OPHEIM | 9-12 |
| OPHEIM SCHOOL 100 ROCK ST | OPHEIM | PK-6 |
| OPHIR 7-8 SCHOOL 45465 GALLATIN RD | GALLATIN GATEWAY | 7-8 |
| OPHIR ELEMENTARY SCHOOL 45465 GALLATIN RD | GALLATIN GATEWAY | PK-6 |
| ORCHARD SCHOOL 120 JACKSON ST | BILLINGS | PK-6 |
| OVANDO SCHOOL 108 BIRCH ST | OVANDO | PK-8 |