| Name |
County |
| Salem School |
Garrett County |
| Salisbury Baptist Academy |
Wicomico County |
| Salisbury Christian School |
Wicomico County |
| Salisbury Mennonite School |
Wicomico County |
| Samuel P Massie Academy |
Prince George's County |
| San Mar Children's Home School |
Washington County |
| Sandy Spring Friends School |
Montgomery County |
| Scholars K - 8 School |
Baltimore County |
| School of the Cathedral of Mary Our Queen |
Baltimore city |
| School Of The Incarnation |
Anne Arundel County |
| Seaside Christian Academy |
Worcester County |
| Severn School |
Anne Arundel County |
| Severn School - Lower |
Anne Arundel County |
| Shabach Christian Academy |
Prince George's County |
| Shiningtree School |
Washington County |
| Shorehaven School |
Cecil County |
| Sisters Academy of Baltimore |
Baltimore County |
| Snow Hill Mennonite School |
Worcester County |
| Sojourner Christian Academy |
Baltimore County |
| Sollers Point Southeastern Technical High School |
Baltimore County |
| Sought Out Redeemed Christian School |
Baltimore city |
| South Dorchester School |
Dorchester County |
| Southern Maryland Christian Academy |
Charles County |
| Southwest Academy |
Baltimore County |
| Southwest Baltimore Charter School |
Baltimore city |
| Spencerville Adventist Academy |
Montgomery County |
| Springdale Preparatory School |
Carroll County |
| ST JOHNS PARISH DAY SCHOOL |
Howard County |
| ST LOUIS SCHOOL |
Howard County |
| Starmaker School |
St. Mary's County |
| Stephen Knolls School |
Montgomery County |
| Stepping Stones Learning Academy |
Wicomico County |
| Sterling East School - Chesapeake Campus |
Harford County |
| Steuart Hill Academic Academy |
Baltimore city |
| Stone Ridge School of the Sacred Heart |
Montgomery County |
| Strawbridge School |
Baltimore County |
| Success Academy |
Baltimore city |
| Sunny Meadow School |
St. Mary's County |
| Susquehanna Adventist School |
Cecil County |
| Swan Meadow K - 8 School |
Garrett County |
| Swanton Mennonite Fellowship School |
Garrett County |
| Tabernacle Christian School |
Baltimore County |
| Takoma Academy |
Montgomery County |
| Takoma Academy Preparatory School |
Montgomery County |
| Talmudical Academy |
Baltimore County |
| Tanglewood Regional School |
Prince George's County |
| Tench Tilghman Elementary - Middle School |
Baltimore city |
| The Arrow Center for Education Riverside |
Harford County |
| The Baltimore Academy |
Baltimore city |
| The Beddow School - Waldorf Montessori School |
Charles County |
| The Benedictine School |
Caroline County |
| The Bullis School |
Montgomery County |
| The Calverton School |
Calvert County |
| The Children's Guild - Prince George's Campus |
Prince George's County |
| The Country School |
Talbot County |
| The Crossroads School |
Baltimore city |
| The Forbush School |
Baltimore County |
| The Forbush School at Westminster |
Carroll County |
| The Foundation School |
Prince George's County |
| The Frost School |
Montgomery County |
| The Gateway School |
Carroll County |
| The Goddard School - Columbia |
Howard County |
| The Goddard School of Stone Barn Urbana |
Frederick County |
| The Goddard School of Urbana |
Frederick County |
| The Greenmount School |
Baltimore city |
| The Harbour School |
Anne Arundel County |
| The Harbour School at Baltimore |
Baltimore County |
| The Heights School |
Montgomery County |
| The Highlands School |
Harford County |
| The Ivymount School |
Montgomery County |
| The Jefferson School |
Frederick County |
| The Jefferson School at FinIan Center |
Allegany County |
| The Judy Center |
Dorchester County |
| The Key School |
Anne Arundel County |
| The King's Christian Academy |
St. Mary's County |
