13. Gwinnett School of Mathematics, Science and Technology (GSMST)
This school in Lawrenceville, Georgia, has an average SAT score of 1350 and an average ACT score of 31. It has a student enrollment of 966 in grades 9-12. The student-teacher ratio is 17:1. Proficiency in mathematics is 96%, and proficiency in reading is 97%. The average graduation rate is 95%. This school began in 2007 as a STEM charter school. The current school building can accommodate 1,200 students. It has large lecture halls such as those usually found on university campuses.

Science laboratories and large project spaces for engineering, robotics, art and design are incorporated in the building as are digital media production facilities for audio and video. Technology plays an integral part of instruction at GSMST. The Georgia Department of Education awarded STEM certification to the school in 2012, and it is recognized as a leader in STEM education. Its consistently high level of performance and challenging curriculum make it the top-ranked school in Georgia year after year.