List of Schools In Massachusetts
| School Name | City | Grades |
|---|---|---|
| O W HOLMES SCHOOL 40 SCHOOL ST | DORCHESTER | PK-5 |
| O'BRYANT SCHOOL MATH / SCIENCE 55 MALCOLM X BLVD | ROXBURY | 7-12 |
| O'DONNELL MIDDLE SCHOOL 211 CUSHING ST | STOUGHTON | 6-8 |
| OAK BLUFFS ELEMENTARY SCHOOL 50 TRADEWINDS RD | OAK BLUFFS | PK-8 |
| OAK HILL MIDDLE SCHOOL 130 WHEELER RD | NEWTON | 6-8 |
| OAK MIDDLE SCHOOL 45 OAK ST | SHREWSBURY | 7-8 |
| OAK RIDGE SCHOOL 260 QUAKER MTG HS RD | EAST SANDWICH | KG-8 |
| OAK STREET ELEMENTARY SCHOOL 224 OAK ST | FRANKLIN | KG-5 |
| OAKDALE SCHOOL 147 CEDAR ST | DEDHAM | 1-5 |
| OAKHAM CENTER SCHOOL 1 DEACON ALLEN DR | OAKHAM | PK-6 |
| OAKLANDVALE SCHOOL 266 MAIN ST | SAUGUS | KG-5 |
| OAKMONT REGIONAL HIGH SCHOOL 9 OAKMONT DR | ASHBURNHAM | 9-12 |
| ODYSSEY HIGH SCHOOL 95 G. ST | SOUTH BOSTON | 9-12 |
| OLD COLONY REGIONAL VOCATIONAL TECHNOLOGY SCHOOL 476 NORTH AVE | ROCHESTER | 9-12 |
| OLD HAMMONDTOWN SCHOOL 20 SHAW ST | MATTAPOISETT | 4-6 |
| OLD MILL POND SCHOOL 4107 MAIN ST | PALMER | PK-4 |
| OLD POST ROAD SCHOOL 99 OLD POST RD | EAST WALPOLE | KG-5 |
| OLD ROCHESTER REGIONAL HIGH SCHOOL 135 MARION RD | MATTAPOISETT | 9-12 |
| OLD ROCHESTER REGIONAL JR HIGH SCHOOL 133 MARION RD | MATTAPOISETT | 7-8 |
| OLIVER AMES HIGH SCHOOL 100 LOTHROP ST | NORTH EASTON | 9-12 |
| OLIVER HAZARD PERRY SCHOOL 745 EAST 7TH ST | SOUTH BOSTON | PK-8 |
| ORCHARD GARDENS SCHOOL 906 ALBANY ST | ROXBURY | PK-8 |
| ORLEANS ELEMENTARY SCHOOL 46 ELDREDGE PARKWAY | ORLEANS | PK-5 |
| OSCAR F RAYMOND SCHOOL 125 OAK ST | BROCKTON | KG-7 |
| OSTERVILLE ELEMENTARY SCHOOL 350 BUMPS RIVER RD | OSTERVILLE | KG-4 |
| OTIS MEMORIAL SCHOOL 5500 CURTIS BLVD | BOURNE | PK-4 |
| OTTOSON MIDDLE SCHOOL 63 ACTON ST | ARLINGTON | 6-8 |
| OVERLOOK MIDDLE SCHOOL 10 OAKMONT DR | ASHBURNHAM | 6-8 |
| OXFORD HIGH SCHOOL 495 MAIN ST | OXFORD | 9-12 |
| OXFORD MIDDLE SCHOOL 497 MAIN ST | OXFORD | 5-8 |