Overview. The Peterson School, founded in 1946, is a private post-secondary school located in Woburn, Ma., Westwood, MA., Worcester MA., Haverhill MA., and Turners Falls MA. The school has been preparing students for state licenses and providing students with technical education and the skills to enter or advance their knowledge in the trades. We are currently seeking part time evening instructor to teach Gas Heat classes. for our Westwood locati...