| | | |
| Atholton HS | C | MSO Regional Div C East | Howard County Public Schools |
| Baltimore City College | C | MSO Regional Div C East | Baltimore City Public Schools |
| Baltimore Collegiate School for Boys | B | MSO Regional Div B Baltimore | Baltimore City Public Schools |
| Baltimore International Academy | A | MSO Division A - final | Baltimore City Public Schools |
| Baltimore International Academy East | B | MSO Regional Div B Baltimore | Baltimore City Public Schools |
| Baltimore Polytechnic Institute | C | MSO Regional Div C East | Baltimore City Public Schools |
| Barclay Elementary Middle School | B | MSO Regional Div B Baltimore | Baltimore City Public Schools |
| Bard High School Early College Baltimore | C | MSO Regional Div C East | Baltimore City Public Schools |
| Bluford Drew Jemison STEM Academy | C | MSO Regional Div C East | Baltimore City Public Schools |
| Bluford Drew Jemison Stem Academy West | B | MSO Regional Div B Baltimore | Baltimore City Public School |
| Burleigh Manor Middle School | B | MSO Regional Div B West | Howard County Public Schools |
| Centennial High School | C | MSO Regional Div C East | Howard County Public Schools |
| Centennial Lane Elementary | A | MSO Division A - final | Howard County Public Schools |
| Cherry Hill ES/MS | B | MSO Regional Div B Baltimore | Baltimore City |
| Chesapeake Math & IT Academy North Div. B | B | MSO Regional Div B West | Prince Georges County Public Schools |
| Chesapeake Math & IT Academy North Div. C (2) | C | MSO Regional Div C West | Prince Georges County Public Schools |
| Chesapeake Math & IT Academy South Div. B | B | MSO Regional Div B West | Prince Georges County Public Schools |
| Chesapeake Math & IT Academy South Div. C | C | MSO Regional Div C West | Prince Georges County Public Schools |
| Chesapeake Math & IT Academy South Elementary | A | MSO Division A - final | Prince Georges County Public Schools |
| Chesapeake Science Point Charter Div. B | B | MSO Regional Div B West | Anne Arundel County Public Schools |
| Chesapeake Science Point Charter Div. C | C | MSO Regional Div C West | Anne Arundel County Public Schools |
| Chesapeake Science Point Elementary | A | MSO Division A - final | Anne Arundel County |
| Clarksville Elementary School | A | MSO Division A - final | Howard County |
| Clarksville Middle School | B | MSO Regional Div B West | Howard County Public Schools |
| Clemens Crossing Elementary School | A | MSO Division A - final | Howard County |
| Crestwood MS | B | MSO Regional Div B West | Frederick County Public Schools |
| Crofton High School | C | MSO Regional Div C West | Anne Arundel County Public Schools |
| Curtis Bay Elementary School | A | MSO Division A - final | Baltimore City Public Schools |
| Damascus HS | C | MSO Regional Div C West | Montgomery County Public School |
| Digital Harbor High School | C | MSO Regional Div C East | Baltimore City Public Schools |
| Dr. Nathan A. Pitts-Ashburton ES/MS | B | MSO Regional Div B Baltimore | Baltimore City Public Schools |
| Dulaney HS | C | MSO Regional Div C East | Baltimore County Public Schools |
| Edmondson-Westside High School | C | MSO Regional Div C East | Baltimore City Public School System |
| Eleanor Roosevelt HS | C | MSO Regional Div C West | Prince Georges County Public Schools |
| Fallstaff Elementary Middle School | A | MSO Division A - final | Baltimore City Public Schools |
| Fallstaff ES/MS | B | MSO Regional Div B Baltimore | Baltimore City Public School |
| Federal Hill Preparatory School | A | MSO Division A - final | Baltimore City Public Schools |
| Fort Worthington ES/MS | B | MSO Regional Div B Baltimore | Baltimore City Public Schools |
| Franklin HS | C | MSO Regional Div C East | Baltimore County Public Schools |
| Frederick Classical Charter School | B | MSO Regional Div B West | Frederick County Public Schools |
| Frederick HS | C | MSO Regional Div C West | Frederick County Public Schools |
| Fulton Elementary School | A | MSO Division A - final | Howard County Public Schools |
| Gorman Crossing Elementary School | A | MSO Division A - final | HCPSS |
| Governor Thomas Johnson High School | C | MSO Regional Div C West | Frederick County Public Schools |
| Green Street Academy Div. C | C | MSO Regional Div C East | Baltimore City |
| Hallie Wells MS | B | MSO Regional Div B West | Montgomery County Public Schools |
| Hampstead Hill Academy | B | MSO Regional Div B Baltimore | Baltimore City Public Schools |
| Hazelwood ES/MS | A | MSO Division A - final | Baltimore City Public Schools |
| Hazelwood ES/MS | B | MSO Regional Div B Baltimore | Baltimore City Public Schools |
| Herbert Hoover MS | B | MSO Regional Div B West | Montgomery County Public Schools |
| Howard HS | C | MSO Regional Div C East | Howard County Public Schools |
| James M. Bennett HS | C | MSO Regional Div C East | Wicomico County Public Schools |
| John Carroll School | C | MSO Regional Div C East | Archdiocese of Baltimore |
| Kent County HS | C | MSO Regional Div C East | Kent County Public Schools |
| Kent Island HS | C | MSO Regional Div C East | Queen Anne's County |
| Lakeland ES/MS | B | MSO Regional Div B Baltimore | Baltimore City Public Schools |
| Lillie May Carroll Jackson Charter School | B | MSO Regional Div B Baltimore | Baltimore City Public Schools |
| Lime Kiln Middle School | B | MSO Regional Div B West | Howard County Public Schools |
| Mantua Elementary School | A | MSO Division A - final | Fairfax County Public Schools |
| Maree G. Farring | A | MSO Division A - final | Baltimore City Public Schools |
| Maree G. Farring | B | MSO Regional Div B Baltimore | Baltimore City Public Schools |
| Marriotts Ridge HS | C | MSO Regional Div C East | Howard County Public Schools |
| Mercy HS | C | MSO Regional Div C East | Baltimore City Public Schools |
| Mergenthaler Vocational Technical High School | C | MSO Regional Div C East | Baltimore City Public Schools |
| Middletown MS | B | MSO Regional Div B West | Frederick County Public Schools |
| Monocacy MS | B | MSO Regional Div B West | Frederick County Public Schools |
| Monocacy Valley Montessori | B | MSO Regional Div B West | Frederick County Public Schools |
| Montgomery Blair High School | C | MSO Regional Div C West | Montgomery County Public Schools |
| Mount View MS | B | MSO Regional Div B West | Howard County Public Schools |
| Mt. Hebron HS | C | MSO Regional Div C East | Howard County Public Schools |
| National Cathedral School Div. C | C | MSO Regional Div C West | Independent school |
| North Bethesda Middle School | B | MSO Regional Div B West | Montgomery County Public Schools |
| Oakland Mills HS | C | MSO Regional Div C East | Howard County Public Schools |
| Patterson Park Public Charter School | A | MSO Division A - final | Baltimore City Schools |
| Patterson Park Public Charter School | B | MSO Regional Div B Baltimore | Baltimore City Schools |
| Pilgrimage Homeschool | A | MSO Division A - final | Montgomery County |
| Pilgrimage Homeschool Div. B | B | MSO Regional Div B West | Montgomery County |
| Pilgrimage Homeschool Div. C | C | MSO Regional Div C West | Montgomery County |
| Pointers Run Elementary School | A | MSO Division A - final | Howard County |
| Poolesville HS | C | MSO Regional Div C West | Montgomery County Public Schools |
| Quince Orchard High School | C | MSO Regional Div C West | Montgomery County Public Schools |
| Reservoir HS | C | MSO Regional Div C East | Howard County Public Schools |
| Richard Montgomery HS | C | MSO Regional Div C West | Montgomery County Public Schools |
| River Hill HS | C | MSO Regional Div C East | Howard County Public Schools |
| Roland Park ES/MS | B | MSO Regional Div B Baltimore | Baltimore City Public Schools |
| Smart Mitochondrias/SnowdenFarmES | A | MSO Division A - final | Maryland |
| Southwest Baltimore Charter School | B | MSO Regional Div B Baltimore | Baltimore City Public Schools |
| St. Francis of Assisi School | B | MSO Regional Div B Baltimore | Archdiocese of Baltimore |
| Stephen Decatur MS | B | MSO Regional Div B West | Worcester County Public Schools |
| Thomas Jefferson Elementary Middle School | B | MSO Regional Div B Baltimore | Baltimore City Public Schools |
| Thomas S. Wootton HS | C | MSO Regional Div C West | Montgomery County Public Schools |
| Tuscarora High School | C | MSO Regional Div C West | Frederick County Public Schools |
| UMB CURE Scholars Program Div. B | B | MSO Regional Div B Baltimore | Baltimore City Public Schools |
| Urbana HS | C | MSO Regional Div C West | Frederick County Public Schools |
| Urbana MS | B | MSO Regional Div B West | Frederick County Public Schools |
| Walter Johnson High School | C | MSO Regional Div C West | Montgomery County Public Schools |
| Western HS | C | MSO Regional Div C East | Baltimore City Public Schools |
| Westport Academy | B | MSO Regional Div B Baltimore | Baltimore City Public Schools |
| Wheaton High School | C | MSO Regional Div C West | Montgomery County Public Schools |
| William Paca Elementary School | A | MSO Division A - final | Baltimore City Public Schools |
| Winston Churchill High School | C | MSO Regional Div C West | Montgomery County Public Schools |
| Worcester Tech HS | C | MSO Regional Div C East | Worcester County Public School |