Complex sentence: On January 12,2012, Gigi, Rex, and Shane decide to move to England so Shane can attend an art school there after Gigi applied an application there when he was still being bullied by Jack at school during the previous school year.
Split into simpler sentences: On January 12,2012, Gigi, Rex, and Shane move to England so Shane can attend an art school. Gigi sent an application there when Shane was still being bullied by Jack at school the previous school year.