On Saturday, April 1 (9:30AM-1PM), the Massachusetts Exploring Computer Science Partnership will hold a free information session for school superintendents, principals, and teachers about the Exploring Computer Science program.  ECS is a year-long course of six six-week units to make computer science accessible and socially relevant for a diverse range of high-school students. The information session will be held at the Education Development Center in Waltham. It’s free and includes lunch. Registration is required.