| | | |
| Arundel HS | C | MSO Regional Div C West | Anne Arundel County Public Schools |
| Baltimore International Academy East | B | MSO Regional Div B Baltimore | Baltimore City Public School |
| Burleigh Manor Middle School | B | MSO Regional Div B East | Howard County Public Schools |
| Chesapeake Math & IT Academy North Div. C | C | MSO Regional Div C West | PG County |
| Chesapeake Science Point Charter Div. B | B | MSO Regional Div B West | Anne Arundel |
| Clarksville Middle School | B | MSO Regional Div B East | Howard County Public Schools |
| Crestwood MS | B | MSO Regional Div B East | Frederick County Public Schools |
| Crofton High School | C | MSO Regional Div C East | Anne Arundel County Public Schools |
| Eleanor Roosevelt HS | C | MSO Regional Div C West | Prince Georges County Public Schools |
| Hampstead Hill Academy | B | MSO Regional Div B Baltimore | Baltimore City Public School System |
| Hazelwood ES/MS | B | MSO Regional Div B Baltimore | Baltimore City |
| Howard HS | C | MSO Regional Div C East | Howard County Public Schools |
| Lillie May Carroll Jackson Charter School | B | MSO Regional Div B Baltimore | Baltimore City |
| 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 |
| Mergenthaler Vocational Technical High School | C | MSO Regional Div C East | Baltimore City Public Schools |
| Monocacy MS | B | MSO Regional Div B West | Frederick County Public Schools |
| Mt. Hebron HS | C | MSO Regional Div C East | Howard County Public Schools |
| Oakland Mills HS | C | MSO Regional Div C East | Howard County Public Schools |
| Pilgrimage Homeschool Div. B | B | MSO Regional Div B West | Montgomery County |
| Pilgrimage Homeschool Div. C | C | MSO Regional Div C West | Montgomery County |
| Reservoir HS | C | MSO Regional Div C East | Howard County |
| 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 School System |
| Roland Park ES/MS | B | MSO Regional Div B Baltimore | Baltimore City Public Schools |
| Stephen Decatur MS | B | MSO Regional Div B East | Worcester County School District |
| UMB CURE Scholars Program Div. B | B | MSO Regional Div B Baltimore | Baltimore City |
| 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 |