SIATech Boyle Heights Charter School Sharing Memories "Happiness is Sharing Memories" SIATech Boyle Heights Charter School Students, Michelle and Ruby Vargas, are enjoying their day at school. These sisters are happy to be back on track and on their way to earning a High School Diploma. If you you are looking to earn a High School Diploma and get back on track to a bright future, learn more about SIATech Boyle Heights Charter School. It's easy and FREE! SIATECH CHARTER HIGH SCHOOLS EARN YOUR HIGH SHOOL DIPLOMA SIATech is a tuition-free charter high school that gives students 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!