South Texas Preparatory Academy, also known as 'STPA', is part of the South Texas Independent School District, in Edinburg, Texas, United States. STPA is a tuition-free magnet junior high school for students in a three-county area along the Texas-Mexico border. This is located in Edinburg, Texas. (Hidalgo, Willacy and Cameron ) The school was founded in 2008 as South Texas Preparatory Academy.