Congratulations Chesnut on earning AdvancED STEM certification! AdvancED STEM certification is the first internationally recognized mark of quality for STEM schools and programs, and we are proud to be one of the few elementary schools in the Dekalb County School District and the State of Georgia to have achieved AdvancED STEM certification!This certification recognizes that Chesnut's STEM educational programs have met the rigor and substance vital to creating and sustaining superior, student-centered STEM teaching and learning programs.