SIATech Riverside High School Graduation Photos Congratulations SIATech Riverside Class of 2017! On June 2, SIATech North County High School, SIATech Moreno Valley High School, SIATech Perris High School, and SIATech Indio High School held their high school graduation in Riverside, California. Family, friends and staff were there to congratulate students on their accomplishments of earning a high school diploma. Best Wishes SIATech Class of 2017! SIATech CHARTER HIGH SCHOOLS EARN YOUR HIGH SCHOOL DIPLOMA SIATech is a tuition-free high school where students have the opportunity to earn a standard high school diploma. If you are interested in earning a high school diploma, find a SIATech Charter High School near you. Search Schools!