Lake Travis STEM Academy, 10625 N. RM 620, Austin, will expand to include grades 9-12. The school currently services grades K-8 and will add a grade every year beginning this fall. By the year 2020, the school intends to complete its high school enrollment through 12th grade focusing on science, technology, engineering and mathematics. 512-784-7082. www.ltstemacademy.org