 The levels present represented “an unacceptable health risk.” In 2014 the continued contamination was linked to caulk.In March 2015 parents and teachers filed a lawsuit to remove all contaminated caulk from the premises.Until the 1980s, students from Malibu were required to bus a long distance into Santa Monica for grades 10–12, but the former junior high school there has since become Malibu High School..