Wasatch Academy is celebrating its 150th birthday this weekend. The school will host an event to celebrate the occasion Saturday. The event will run from 11 a.m. to 4 p.m. and most of the activities will take place at the school quad at 120 South 100 West in Mt. Pleasant. Offerings include horse-drawn hay rides around the campus, as well as other activities. Buildings on campus will be open to the public as well.