Thomas Stone High School 3785 Leonardtown Rd Waldorf, MD 20601 Phone : (301) 645-2601 Thomas Stone High School Business Category Schools Schools-Public Schools-Senior High Charles County Government--education Board Of, Schools, Stone Thomas High 3785 Leonardtown Rd Waldorf, MD 20601 Phone : (301) 645-2601 Business Category Schools Government Offices-County Government Offices & Public Schools