List of Schools In Connecticut
| School Name | City | Grades |
|---|---|---|
| OAKDALE SCHOOL 30 INDIANA CIRCLE | OAKDALE | PK-5 |
| ODYSSEY COMMUNITY SCHOOL 579 WEST MIDDLE TURNPIKE | MANCHESTER | 4-8 |
| OLD GREENWICH SCHOOL 825 SOUND BEACH AVE | OLD GREENWICH | PK-5 |
| OLD SAYBROOK HIGH SCHOOL 1111 BOSTON POST RD | OLD SAYBROOK | 9-12 |
| OLD SAYBROOK MIDDLE SCHOOL 60 SHEFFIELD ST | OLD SAYBROOK | 4-8 |
| OLIVER ELLSWORTH SCHOOL 730 KENNEDY RD | WINDSOR | 1-5 |
| OLIVER WOLCOTT TECHNICAL HIGH SCHOOL 75 OLIVER ST | TORRINGTON | 9-12 |
| OPPORTUNITY HIGH SCHOOL 2028 SARGENT ST | HARTFORD | 9-12 |
| ORANGE AVENUE SCHOOL 260 ORANGE AVE | MILFORD | PK-5 |
| ORCHARD HILL SCHOOL 350 FOSTER ST | SOUTH WINDSOR | PK-5 |
| ORCHARD HILLS SCHOOL 185 MARINO DR | MILFORD | PK-5 |
| ORVILLE H. PLATT HIGH SCHOOL 220 COE AVE | MERIDEN | 9-12 |
| OSBORN HILL SCHOOL 760 STILLSON RD | FAIRFIELD | KG-5 |
| OSWEGATCHIE ELEMENTARY SCHOOL 470 BOSTON POST RD | WATERFORD | KG-5 |
| OVERBROOK SCHOOL 54 GERRISH AVE | EAST HAVEN | PK-KG |
| OX RIDGE ELEMENTARY SCHOOL 395 MANSFIELD AVE | DARIEN | KG-5 |
| OXFORD CENTER SCHOOL 462 OXFORD RD | OXFORD | 3-5 |
| OXFORD HIGH SCHOOL 61 QUAKER FARMS RD | OXFORD | 9-12 |