Irvine schoolteacher prepares for Mt. Shasta climb, where she'll fly 'prayer flags' for those who have lost the battle against cancer. Lori Fallace, a seventh-grade science teacher at Venado… (KEVIN CHANG, Daily…) Six months ago, Lori Fallace had never spent a night in a tent. In June, with subtemperature gear and ice pick in hand, the Irvine schoolteacher will scale the 14,179 feet to Mt.