Complex sentence: Crosby Idol is the school second Crosby Idol that began in the 2007-08 School Year, this school year the Crosby Idol was held on December 5 2008 Friday there were 15 contestants (groups or individuals).
Split into simpler sentences: Crosby Idol is the school's second Crosby Idol that began in the 2007-08 school year. This school year the Crosby Idol was held on December 5 2008 Friday There were 15 contestants (groups or individuals).