Constitution High School (nickname Con High) is a college preparatory high school located in Center City Philadelphia, Pennsylvania. It is the first history based high school in Pennsylvania. It was founded September 2006 by Dr. Thomas Davidson. About 290 attend grades 9 through 12. It is located in close proximity to Independence Mall in Philadelphia. Constitution High School has a strong relationship with the National Constitution Center, as well as partnerships with the Gilder Lehrman Institute of American History and Philadelphia law firm, Ballard Spahr LLP.