. "Middlesex School is a co-educational, non-sectarian, day and boarding independent secondary school for grades 9-12 located in Concord, Massachusetts. It was founded as an all-boys school in 1901 by a Roxbury Latin School alumnus, Frederick Winsor, who headed the school until 1937. Middlesex began admitting girls in 1974. The school is a member of the prestigious Independent School League and is one of five schools collectively known as St."@en . "1400 Lowell Road"@en . "375"^^ . . . "suburban"@en . "2.15E8"^^ . "Middlesex School"@en . "12.0"^^ . "4:1" . . "90"^^ . "56060.0"^^ . "1.4164e+06"^^ . "01742" . "Fides, Veritas, Labor" . . . "Zebras"@en . "1901Z"^^ .