Complex sentence: It was founded on December 1,1888 as the Williamson Free School of Mechanical Trades by Isaiah Vansant Williamson, opened in 1901, and is not affiliated with any religious organization, although it does subscribe to a "Judeo-Christian" belief system.
Split into simpler sentences: It was founded on December 1,1888 as the Williamson Free School of Mechanical Trades by Isaiah Vansant Williamson, and opened in 1901. It is not affiliated with any religious organization, although it does subscribe to a "Judeo-Christian" belief system.