List of Schools In Indiana
| School Name | City | Grades |
|---|---|---|
| O J NEIGHBOURS ELEMENTARY SCHOOL 1545 NORTH WABASH ST | WABASH | KG-3 |
| O R BAKER ELEMENTARY SCHOOL 600 SOUTH OAK ST | WINCHESTER | PK-2 |
| OAK HILL ELEMENTARY SCHOOL 425 SOUTH NICHOLS ST | LOWELL | PK-5 |
| OAK HILL HIGH SCHOOL 7756 WEST DELHPI PK27 | CONVERSE | 9-12 |
| OAK HILL JUNIOR HIGH SCHOOL 7760 WEST DELPHI PK27 | CONVERSE | 7-8 |
| OAK HILL MIDDLE SCHOOL 7700 OAK HILL RD | EVANSVILLE | 6-8 |
| OAK TRACE ELEMENTARY SCHOOL 16504 OAK RIDGE RD | WESTFIELD | PK-4 |
| OAK VIEW ELEMENTARY SCHOOL 13123 COLDWATER RD | FORT WAYNE | KG-5 |
| OAKDALE ELEMENTARY SCHOOL 802 SOUTH 8TH ST | BOONVILLE | KG-5 |
| OAKLAND CITY ELEMENTARY SCHOOL 945 SOUTH FRANKLIN ST STE B | OAKLAND CITY | KG-6 |
| OAKLAND ELEMENTARY SCHOOL 2100 SOUTH 'P' ST | ELWOOD | PK-5 |
| OAKLAND ELEMENTARY SCHOOL 611 SOUTH 21ST ST | LAFAYETTE | KG-5 |
| OAKLANDON ELEMENTARY SCHOOL 6702 OAKLANDON RD | INDIANAPOLIS | 1-5 |
| OAKLAWN ELEMENTARY SCHOOL 402 EAST SOUTH ST | MONTICELLO | KG-5 |
| OAKLAWN HOSPITAL SCHOOL 330 LAKEVIEW DR | GOSHEN | 4-12 |
| OHIO COUNTY ELEMENTARY-MIDDLE SCHOOL 436 SOUTH MULBERRY ST | RISING SUN | KG-8 |
| OLIVE TOWNSHIP ELEMENTARY SCHOOL 300 WEST BEN ST | NEW CARLISLE | KG-5 |
| OOLITIC MIDDLE SCHOOL 903 HOOSIER AVE | OOLITIC | 6-8 |
| OPTIONS CHARTER SCHOOL - CARMEL 530 WEST CARMEL DR | CARMEL | 9-12 |
| OPTIONS CHARTER SCHOOL NOBLESVILLE 9945 CUMBERLAND POINTE BLVD | NOBLESVILLE | 9-12 |
| ORANGE ELEMENTARY SCHOOL 8318 WEST KEY ST | GLENWOOD | 1-6 |
| ORCHARD PARK ELEMENTARY SCHOOL 10404 ORCHARD PARK SOUTH DR | INDIANAPOLIS | PK-5 |
| ORCHARD VIEW SCHOOL 56734 NORTHRIDGE DR | MIDDLEBURY | KG-4 |
| OREGON-DAVIS ELEMENTARY SCHOOL 5860 NORTH 750 EAST | HAMLET | KG-6 |
| OREGON-DAVIS JR-SR HIGH SCHOOL 5990 NORTH 750 EAST | HAMLET | 7-12 |
| ORLEANS ELEMENTARY SCHOOL 637 EAST WASHINGTON ST | ORLEANS | KG-6 |
| ORLEANS JR-SR HIGH SCHOOL 200 WEST WILSON | ORLEANS | 7-12 |
| OSOLO ELEMENTARY SCHOOL 24975 CR 6 EAST | ELKHART | KG-6 |
| OSSIAN ELEMENTARY SCHOOL 213 SOUTH JEFFERSON | OSSIAN | PK-5 |
| OTIS E BROWN SCHOOL 20 1849 PLSNT RN PKW SOUTH DR | INDIANAPOLIS | PK-6 |
| OTTER CREEK MIDDLE SCHOOL 4801 NORTH LAFAYETTE ST | TERRE HAUTE | 6-8 |
| OTTERBEIN ELEMENTARY SCHOOL 111 WEST OXFORD ST | OTTERBEIN | KG-6 |
| OTWELL ELEMENTARY SCHOOL 1869 NORTH SR 257 | OTWELL | PK-5 |
| OUABACHE ELEMENTARY SCHOOL 501 MAPLE | TERRE HAUTE | PK-5 |
| OWEN VALLEY COMMUNITY HIGH SCHOOL 622 WEST SR 46 | SPENCER | 9-12 |
| OWEN VALLEY MIDDLE SCHOOL 626 WEST ST HWY 46 | SPENCER | 7-8 |
| OWENSVILLE COMMUNITY SCHOOL 6569 SOUTH SR 65 | OWENSVILLE | PK-8 |