Harpeth Hall helps build independent online school

Imagine having to choose between following your dream of performing with the London Ballet or finishing your high school education. That’s one decision a New York high school senior, who was only two credits shy of graduation, won’t have to make this fall thanks to the Online School for Girls. The student’s bricks-and-mortar school is allowing her take her final two classes through the interactive Web-based school. Four prestigious all-girls schools — Harpeth Hall, Holton-Arms School in Maryland, Laurel School in Ohio and Westover School in Connecticut — joined forces last summer to expand their course offerings by chartering