
Six Concept Schools Recognized as Among the Best Charter High Schools in the Nation by US News & World Report
With CMSA leading the way at #1 in Illinois, Concept High Schools are the best in the nation
Gateway Science Academy of St. Louis - South is a non-selective and tuition-free public charter school located in St. Louis. GSA South serves grades PreK-5. Our STEM-focused and college-preparatory curriculum is designed to change the trajectory of students’ lives.