Clements A 210 St. Stephen's Episcopal School A 140 Science Academy of South Texas A 135 Plano High School A 95 Klein Collins High School 80 Greenhill High School 65 Klein High School A 35 Cistercian Prep School A 34 St. Mark's School of Texas A 28 Texas Academy of Mathematics and Science B 26 Cistercian Prep School B 22 First Colony MS/Li's Home School 22 St. Mark's School of Texas B 21 Texas Academy of Mathematics and Science A 21 The British School of Houston A 20 Liberal Arts and Science Academy 19 Georgetown High School A 18 Science Academy of South Texas B 18 The Hockaday School A 18 Klein High School B 15 Clements C/Riverside 15 Austin Area Homeschoolers/ Bellaire High School 14 Cistercian Prep School C 12 Stephen F. Austin B 12 Stephen F. Austin C 12 Plano High School B 11 St. Stephen's Episcopal School B 10 The British School of Houston B 10 The Hockaday School B 10 Westchester Academy for International Studies A 8 Georgetown High School B 6 Clements B 5 Georgetown High School C 2 The British School of Houston C 1