GLTS STEAM Students Compete in Junior Science and Humanities Symposia April 16, 2019 by John Guilfoil LAWRENCE — Superintendent John Lavoie is pleased to announce that a group of 10th grade STEAM students recently competed and excelled in the Junior Science and Humanities Symposia. Share this:Share Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook