| FOUR CORNERS CHARTER SCHOOL | KG–05 | 1,062 | 100 | A |
| KISSIMMEE ELEMENTARY SCHOOL | PK–05 | 856 | 99 | A |
| REEDY CREEK ELEMENTARY SCHOOL | PK–05 | 804 | 99 | A |
| HIGHLANDS ELEMENTARY SCHOOL | PK–05 | 651 | 94 | A |
| MILL CREEK ELEMENTARY SCHOOL | PK–05 | 709 | 92 | A |
| EAST LAKE ELEMENTARY SCHOOL | PK–05 | 853 | 88 | A |
| VENTURA ELEMENTARY SCHOOL | PK–05 | 723 | 87 | A |
| BOGGY CREEK ELEMENTARY SCHOOL | PK–05 | 574 | 87 | A |
| MATER PALMS ACADEMY | KG–08 | 858 | 86 | A |
| AMERICAN CLASSICAL CHARTER ACADEMY | KG–12 | 369 | 85 | A |
| MAIN STREET HIGH SCHOOL | 09–12 | 239 | 84 | A |
| PARTIN SETTLEMENT ELEMENTARY SCHOOL | PK–05 | 762 | 82 | A |
| ST. CLOUD ELEMENTARY SCHOOL | PK–05 | 776 | 82 | A |
| ST. CLOUD PREPARATORY ACADEMY | KG–12 | 443 | 82 | A |
| KISSIMMEE CHARTER ACADEMY | PK–08 | 661 | 82 | A |
| FLORA RIDGE ELEMENTARY SCHOOL | PK–05 | 976 | 80 | A |
| RENAISSANCE CHARTER SCHOOL AT TAPESTRY | KG–08 | 1,417 | 79 | A |
| LAKEVIEW ELEMENTARY SCHOOL | PK–05 | 647 | 79 | A |
| CHESTNUT ELEMENTARY SCHOOL FOR SCIENCE AND ENGINEERING | PK–05 | 663 | 76 | A |
| PROFESSIONAL & TECHNICAL HIGH SCHOOL | 09–12 | 525 | 76 | A |
| NEOCITY ACADEMY | 09–12 | 420 | 76 | A |
| MICHIGAN AVENUE ELEMENTARY SCHOOL | PK–05 | 724 | 75 | A |
| BRIDGEPREP ACADEMY OSCEOLA COUNTY | KG–08 | 605 | 74 | A |
| MATER ACADEMY AT ST CLOUD | KG–08 | 381 | 74 | A |
| KOA ELEMENTARY SCHOOL | PK–05 | 585 | 73 | A |
| WESTSIDE K-8 SCHOOL | PK–08 | 1,840 | 72 | A |
| BRIDGEPREP ACADEMY OF ST.CLOUD | KG–08 | 261 | 70 | A |
| NARCOOSSEE ELEMENTARY SCHOOL | PK–05 | 1,263 | 70 | A |
| MATER BRIGHTON LAKES | KG–08 | 1,187 | 68 | A |
| CELEBRATION SCHOOL | PK–08 | 1,702 | 67 | A |
| VICTORY CHARTER SCHOOL K-5 | KG–05 | 297 | 65 | A |
| CANOE CREEK K-8 | PK–08 | 1,011 | 65 | A |
| CENTRAL AVENUE ELEMENTARY SCHOOL | PK–05 | 535 | 64 | A |
| ST. CLOUD MIDDLE SCHOOL | 06–08 | 1,188 | 63 | A |
| CYPRESS ELEMENTARY SCHOOL | PK–05 | 453 | 62 | A |
| UCP OSCEOLA CHARTER SCHOOL | PK–05 | 133 | 62 | A |
| ZENITH ACCELERATED ACADEMY | 08–12 | 436 | 60 | A |
| ST. CLOUD HIGH SCHOOL | 09–12 | 2,069 | 56 | A |
| OSCEOLA SCIENCE CHARTER SCHOOL | KG–08 | 1,029 | 56 | A |
| MATER ACADEMY PREPARATORY HIGH SCHOOL. | 09–12 | 314 | 56 | A |
| NARCOOSSEE MIDDLE SCHOOL | 06–08 | 1,318 | 53 | A |
| SPORTS LEADERSHIP ARTS MANAGEMENT (SLAM) | 06–08 | 139 | 52 | A |
| NEPTUNE ELEMENTARY SCHOOL | PK–05 | 891 | 52 | A |
| SUNRISE ELEMENTARY SCHOOL | PK–05 | 948 | 48 | A |
| POINCIANA ACADEMY OF FINE ARTS | PK–05 | 566 | 44 | A |
| NEPTUNE MIDDLE SCHOOL | 06–08 | 1,005 | 43 | A |
| PLEASANT HILL ELEMENTARY SCHOOL | PK–05 | 698 | 42 | A |
| BELLALAGO CHARTER ACADEMY | PK–08 | 1,189 | 41 | A |
| NEW BEGINNINGS EDUCATION CENTER | KG–12 | 239 | 41 | A |
| OSCEOLA HIGH SCHOOL | 09–12 | 2,412 | 37 | A |
| HORIZON MIDDLE SCHOOL | 06–08 | 1,324 | 35 | A |
| CELEBRATION HIGH SCHOOL | 09–12 | 2,731 | 35 | A |
| THACKER AVENUE ELEMENTARY FOR INTERNATIONAL STUDIES | PK–05 | 621 | 35 | A |
| TOHOPEKALIGA | 09–12 | 2,557 | 34 | A |
| POINCIANA HIGH SCHOOL | 09–12 | 2,441 | 33 | A |
| VICTORY CHARTER SCHOOL | 06–12 | 651 | 32 | A |
| HARMONY MIDDLE SCHOOL | 06–08 | 944 | 31 | A |
| DENN JOHN MIDDLE SCHOOL | 06–08 | 920 | 29 | A |
| HARMONY HIGH SCHOOL | 09–12 | 2,594 | 28 | A |
| PARKWAY MIDDLE SCHOOL | 06–08 | 795 | 24 | A |
| KISSIMMEE MIDDLE SCHOOL | 06–08 | 1,411 | 24 | A |
| GATEWAY HIGH SCHOOL | 09–12 | 1,757 | 22 | A |
| LIBERTY HIGH SCHOOL | 09–12 | 1,836 | 19 | A |
| DISCOVERY INTERMEDIATE SCHOOL | 06–08 | 985 | 11 | A |
| CREATIVE INSPIRATION JOURNEY SCHOOL OF ST CLOUD | PK–06 | 481 | — insufficient data | D |
| DEERWOOD ELEMENTARY SCHOOL | PK–05 | 488 | — insufficient data | C |
| FLORIDA CYBER CHARTER ACADEMY AT OSCEOLA | KG–12 | 1,016 | — insufficient data | E |
| FOUR CORNERS UPPER SCHOOL | 06–12 | 1,295 | — insufficient data | E |
| HARMONY COMMUNITY SCHOOL | PK–05 | 865 | — insufficient data | C |
| HERITAGE PARK ACADEMY | 07–12 | 49 | — insufficient data | C |
| HICKORY TREE ELEMENTARY SCHOOL | PK–05 | 645 | — insufficient data | C |
| HOSPITAL/HOMEBOUND PROGRAM | KG–12 | | — insufficient data | |
| LINCOLN-MARTI CHARTER SCHOOLS(OSCEOLA CAMPUS) | KG–08 | 73 | — insufficient data | C |
| NEW DIMENSIONS HIGH SCHOOL | 09–12 | 439 | — insufficient data | D |
| OASIS RESIDENTIAL CENTER | 07–12 | 23 | — insufficient data | C |
| OSCEOLA CENTER FOR EARLY LEARNING | PK–PK | | — insufficient data | |
| OSCEOLA COUNTY SCHOOL FOR THE ARTS | 06–12 | 961 | — insufficient data | D |
| OSCEOLA TECHNICAL COLLEGE KISSIMMEE CAMPUS | 09–12 | | — insufficient data | |
| OSCEOLA TECHNICAL COLLEGE POINCIANA CAMPUS | 11–12 | | — insufficient data | |
| OSCEOLA TECHNICAL COLLEGE ST CLOUD CAMPUS | 11–12 | | — insufficient data | |
| OSCEOLA VIRTUAL FRANCHISE (SECONDARY) | KG–12 | 428 | — insufficient data | D |
| OSCEOLA VIRTUAL INSTRUCTION PROGRAM | KG–12 | | — insufficient data | |
| P. M. WELLS CHARTER ACADEMY | KG–08 | 646 | — insufficient data | D |
| RENAISSANCE CHARTER SCHOOL AT BOGGY CREEK | KG–08 | 731 | — insufficient data | E |
| RENAISSANCE CHARTER SCHOOL AT POINCIANA | KG–08 | 930 | — insufficient data | E |