Phillips Academy Andover is a co-educational university-preparatory school for boarding and day students in grades 9–12, along with a post-graduate year. The school is in Andover, Massachusetts, United States, 25 miles north of Boston. Phillips Academy has 1,150 students, and is a selective school, accepting 13% of applicants. It is part of the Ten Schools Admissions Organization as well as the G20 Schools Group.Originally a boarding school for boys, it turned coeducational in 1973, the year in which it merged with its neighbor girls school Abbot Academy.OverviewPhillips Academy Andover is the oldest incorporated high school in the United States, established in 1778 by Samuel Phillips, Jr. Phillips's uncle Dr. John Phillips founded Phillips Exeter Academy three years later. Phillips Academy's endowment stood around $800 million in June 2011, the fourth-highest of any American secondary school. Andover is subject to the control of a board of trustees, headed by Peter Currie, business executive and former Netscape Chief Financial Officer, who took over as president of the Phillips Academy Board of Trustees on July 1, 2012. On November 14, 2012, John G. Palfrey, Jr., Henry N. Ess III Professor of Law and Vice Dean for Library and Information Resources at Harvard Law School, was named the 15th Head of School.