Mount Si High School Alumni

Come see all the new Mount Si High School apparel, t-shirts and sweatshirts. It's true, we are now offering apparel to all Mount Si alumni, friends and family. Order from our various designs, or create your own custom t-shirt or sweatshirt. This is a great chance to get that Mount Si High School apparel you have always wanted. Take full advantage of our custom apparel design area, and create that old team shirt you wore, with your name and number.