Instilling harsh lessons for high school juniors and seniors, Mount Si High School will hold a mock crash Thursday, May 13, on Schusman Avenue.

The mock accident is meant to show the results of bad decision-making by student drivers. It comes two days before the Mount Si prom, Saturday, May 13.

“It’s really an impactful event. We do it to save lives,” said Charlie Kinnune, Mount Si’s Associated Student Body advisor. “It is party season.”

A combined effort by Mount Si ASB and Valley police and fire departments, the crash simulation dramatizes a pre-prom party and depicts the consequences of underage drinking.

A mandatory event for all upperclassmen, the crash begins in the gym with a video setting up the scenario and ends with a memorial for a student who dies in the mock crash. For more information, call the high school at (425) 831-8100.