List of Schools In Mississippi
| School Name | City | Grades |
|---|---|---|
| O M MC NAIR UPPER ELEMENTARY SCHOOL 910 CHURCH ST | BELZONI | 4-6 |
| O'BANNON ELEMENTARY SCHOOL 1203 SOUTH RACEWAY RD | GREENVILLE | PK-6 |
| O'BANNON HIGH SCHOOL 1203 SOUTH RACEWAY RD | GREENVILLE | 7-12 |
| OAK FOREST ELEMENTARY SCHOOL 1831 SMALLWOOD DR | JACKSON | KG-5 |
| OAK GROVE CENTRAL ELEMENTARY SCHOOL 893 OAK GROVE RD | HERNANDO | 4-5 |
| OAK GROVE HIGH SCHOOL 5198 OLD HWY11 | HATTIESBURG | 9-12 |
| OAK GROVE LOWER ELEMENTARY SCHOOL 1762 OLD HWY 24 | HATTIESBURG | 2-3 |
| OAK GROVE LOWER ELEMENTARY SCHOOL 70 LEAF LN | HATTIESBURG | KG-1 |
| OAK GROVE MIDDLE SCHOOL 2543 OLD HWY24 | HATTIESBURG | 6-8 |
| OAK GROVE UPPER ELEMENTARY SCHOOL 1760 OLD HWY 24 | HATTIESBURG | 4-5 |
| OAK PARK ELEMENTARY SCHOOL 2230 GOVERNMENT ST | OCEAN SPRINGS | PK-4 |
| OAK PARK ELEMENTARY SCHOOL 1205 OAK PARK AVE | LAUREL | PK-5 |
| OAKDALE ELEMENTARY SCHOOL 171 OAKDALE RD | BRANDON | PK-5 |
| OAKHURST MIDDLE SCHOOL 120 WEST SECOND ST | CLARKSDALE | 6-8 |
| OAKLAND HEIGHTS ELEMENTARY SCHOOL 601 59TH AVE | MERIDIAN | PK-5 |
| OCEAN SPRINGS HIGH SCHOOL 2320 GOVERNMENT ST | OCEAN SPRINGS | 9-12 |
| OCEAN SPRINGS MIDDLE SCHOOL 3600 HANSHAW RD | OCEAN SPRINGS | 6-8 |
| OKOLONA ELEMENTARY SCHOOL 411 WEST MAIN ST | OKOLONA | KG-6 |
| OKOLONA HIGH SCHOOL 404 WINTER ST | OKOLONA | 7-12 |
| OKOLONA VOCATIONAL COMPLEX SCHOOL 605 NORTH CHURCH ST | OKOLONA | 9-12 |
| OLDE TOWNE MIDDLE SCHOOL 210 SUNNYBROOK RD | RIDGELAND | 6-8 |
| OLIVE BRANCH ELEMENTARY SCHOOL 9549 EAST PIGEON ROOST RD | OLIVE BRANCH | PK-1 |
| OLIVE BRANCH HIGH SCHOOL 9366 EAST SANDIDGE RD | OLIVE BRANCH | 9-12 |
| OLIVE BRANCH INTERMEDIATE SCHOOL 8631 EAST PIGEON ROOST RD | OLIVE BRANCH | 4-5 |
| OLIVE BRANCH MIDDLE SCHOOL 6530 SOUTH BLOCKER ST | OLIVE BRANCH | 6-8 |
| ORANGE GROVE ELEMENTARY SCHOOL 11391 OLD HWY 49 | GULFPORT | 4-6 |
| ORANGE LAKE ELEMENTARY SCHOOL 9717 OLD STAGE RD | MOSS POINT | KG-6 |
| OSYKA ELEMENTARY SCHOOL 444 AMITE ST | OSYKA | KG-6 |
| OTKEN ELEMENTARY SCHOOL 401 MONTANA AVE | MCCOMB | KG-2 |
| OVERPARK ELEMENTARY SCHOOL 8530 FOREST HILL IRENE RD | OLIVE BRANCH | PK-6 |
| OVERSTREET ELEMENTARY SCHOOL 307 SOUTH JACKSON ST | STARKVILLE | 3 |
| OXFLAF SCHOOL OF APPLIED TECHNOLOGY 134 HWY 7 SOUTH | OXFORD | 9-12 |
| OXFORD ELEMENTARY SCHOOL 1637 HWY 30 EAST | OXFORD | 2-3 |
| OXFORD HIGH SCHOOL 222 BRAMLETT BLVD | OXFORD | 9-12 |
| OXFORD LEARNING CENTER SCHOOL 399 NORTH FIFTH ST | OXFORD | 5-12 |
| OXFORD MIDDLE SCHOOL 501 MARTIN LUTHER KING JR. DR | OXFORD | 6-8 |