St. Mark's School is an elite American boarding school located in Southborough, MA. The school is home to around 330 boarding and
day students from around the
world. The acceptance rate for the 2008 academic year was 27%. The school is part of the term, "St. Grotlessex" wich refers to the elite boarding schools of Groton, St.
Paul's, Middlesex, St. Georges, and of course, St. Mark's. St. Mark's shares a traditional rivalry with the Groton School which has lasted for over 100 years. As an elite american prep, St. Mark's sends it's students to many of the most prestigious colleges in the
United States, such as Harvard, Yale, Princeton, Williams, MIT, and many others.