The Online School for Girls (OSG) is a US online learning environment built on the traditions of independent schools and girls' schools. It was founded in 2009 by four such schools forming a non-profit consortium.
Consortium schools
The member schools are:
Atlanta Girls' School, in Atlanta, Georgia
The Ellis School, Pittsburgh, Pennsylvania
Harpeth Hall School, Nashville, Tennessee
Holton-Arms School, Bethesda, Maryland
Hockaday School, Dallas, Texas
Laurel School, Cleveland, Ohio
Marlborough School, Los Angeles, California
Miss Porter's School, Farmington, Connecticut
School of the Holy Child, Rye, New York
St. Mary's Episcopal School, Memphis, Tennessee
St. Paul's School for Girls, Baltimore, Maryland
Westover School, Middlebury, Connecticut
Those in bold are the founding members.
There are also a larger number of affiliated schools.