Graduates of the Barnesville School attend a variety of area high schools, which include:
Independent Co-Educational
- The Barrie School
- Bullis School
- Edmund Burke
- Field School
- Georgetown Day School
- Georgetown Prep School
- Glenelg School
- Good Counsel
- The Potomac School
- St. Andrew’s Episcopal School
- St. John’s College High School
- Sandy Spring Friends School
- Sidwell Friends
Independent All Boys Schools
- Georgetown Preparatory School
- Heights School
- Landon School
Independent All Girls Schools
- Connelly School of the Holy Child
- National Cathedral School
- Stone Ridge School of the Sacred Heart
- Holton-Arms School
- Maret School
Independent Boarding Schools
- Phillips Exeter Academy
- Mercersburg Academy
- St. Andrew’s School
- St. James School
- Randolph-Macon Academy
Public Magnet Programs
- International Baccalaureate Magnet Program at Richard Montgomery High School
- Poolesville High School Magnet Programs
Public High Schools
- Watkins Mill High School
- Clarksburg High School
- Urbana High School
- Poolesville High School
- Frederick High School
- Northwest High School
- Quince Orchard High School
- Gaithersburg High School
- Seneca Valley High School
- Wootton High School
- Winston Churchill High School
- Walt Whitman High School
- Damascus High School
- Thomas Johnson High School