| | | |
| Archbishop Hoban HS | C | _I am Unsure, Div. C (MD Directors will Assign) | Diocese of Cleveland |
| Arundel High School | C | MSO Regional Div C West | Anne Arundel County Public Schools |
| Atholton HS | C | MSO Regional Div C East | Howard County Public Schools |
| Awesome MS | B | _I am Unsure, Div. B (MD Directors will assign) | Awesome District |
| 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 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 |
| Burleigh Manor Middle School | B | MSO Regional Div B East | Howard County Public Schools |
| Calvin M Rodwell MS | B | MSO Regional Div B Baltimore | Baltimore City |
| Centennial High School | C | MSO Regional Div C East | Howard County Public Schools |
| Cherry Hill ES/MS | B | MSO Regional Div B Baltimore | Baltimore City |
| Chesapeake Math & IT Academy North Div. C | C | MSO Regional Div C West | Prince Georges County Public Schools |
| Chesapeake Math & IT Academy South Div. B | C | MSO Regional Div C West | Prince Georges County Public Schools |
| Chesapeake Science Point Charter Div. C | C | MSO Regional Div C West | Anne Arundel County Public Schools |
| Clarksville Middle School | B | MSO Regional Div B East | Howard County Public Schools |
| Colonel Zadok Magruder High School | C | MSO Regional Div C West | Montgomery County Maryland |
| Connexions, A Community Arts School | C | MSO Regional Div C East | Baltimore City |
| 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 |
| 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 |
| 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 ES/MS | B | MSO Regional Div B Baltimore | Baltimore City Public School |
| Forest Park High School | C | MSO Regional Div C East | Baltimore City Public Schools |
| Franklin HS | C | MSO Regional Div C East | Baltimore County Public Schools |
| Franklin Square Elm. Middle School | B | MSO Regional Div B Baltimore | Baltimore City |
| Frederick Classical Charter School | B | MSO Regional Div B East | Frederick County Public Schools |
| Frederick HS | C | MSO Regional Div C West | Frederick County Public Schools |
| Graceland Park ES/MS | B | MSO Regional Div B Baltimore | Baltimore City 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 |
| Hamilton Elementary Middle School | B | MSO Regional Div B Baltimore | Baltimore City Public Schools |
| Hampstead Hill Academy | B | MSO Regional Div B Baltimore | Baltimore City Public Schools |
| Holton Arms | C | MSO Regional Div C West | N/A |
| 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 County MS | B | MSO Regional Div B 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 East | Howard County 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 |
| Matthew HIgh SChool | C | MSO Regional Div C West | District C |
| Mercy High School | C | MSO Regional Div C East | Independent |
| 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 Valley Montessori | B | MSO Regional Div B West | Frederick County Public Schools |
| Monocacy Valley Montessori | C | MSO Regional Div C West | Frederick County Public Schools |
| Montebello Elementary-Middle School | B | MSO Regional Div B Baltimore | Baltimore City Public Schools |
| Montgomery Blair High School | C | MSO Regional Div C West | Montgomery County Public Schools |
| Mount View MS | B | MSO Regional Div B East | 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 |
| Northwest High School | C | MSO Regional Div C West | Montgomery County Public Schools |
| Oakland Mills HS | C | MSO Regional Div C East | Howard County Public Schools |
| Paul Laurence Dunbar HS | C | MSO Regional Div C East | Baltimore City |
| Pilgrimage Homeschool Div. B | B | MSO Regional Div B West | Montgomery County |
| Pilgrimage Homeschool Div. C | C | MSO Regional Div C West | Montgomery 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 |
| Reginald F Lewis HS | C | MSO Regional Div C East | Baltimore City |
| 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 High School | C | MSO Regional Div C East | Howard County Public Schools |
| Roberto Clemente MS | B | MSO Regional Div B West | Montgomery |
| Roland Park ES/MS | B | MSO Regional Div B Baltimore | Baltimore City Public Schools |
| 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 East | 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 |
| Urbana HS | C | MSO Regional Div C West | Frederick County Public Schools |
| Urbana MS | B | MSO Regional Div B West | Frederick County Public Schools |
| Vanguard Collegiate MS | B | MSO Regional Div B Baltimore | Baltimore City 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 |
| 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 |