Sandra A. Trach is Special Assistant to the Superintendent in Lexington Public Schools, Lexington, Massachusetts. Her principalships and 25 years of diverse experience have led her schools to perform at consistently high levels, and her principalships have been recognized for academic and cultural success. Sandra is a new author with Corwin who actively writes, mentors and presents nationally. You can find Sandra on Twitter @SandraTrach and sandratrach@blogspot.com.