Complex sentence: Hampton sports teams participate in NCAA Division I (FCS for football) in the Mid-Eastern Athletic Conference in which they joined in 1995 upon leaving the Central Intercollegiate Athletic Association, an NCAA Division II conference, of which they were a founding member.
Split into simpler sentences: Hampton sports teams participate in NCAA Division I (FCS for football) in the Mid-Eastern Athletic Conference. They joined this in 1995 upon leaving the Central Intercollegiate Athletic Association, an NCAA Division II conference, of which they were a founding member.