Trade School is a self-organized learning platform that connects students to receive instruction from teachers in exchange for barter items that the teacher requests. The Trade School network is made up of self-organized barter-for-knowledge schools across the world. It started in 2010 with a small group of friends in New York and spread to Virginia and Milan in 2011. In 2012, we built a better version of our barter-for-knowledge web platform so that we could share it with organizers elsewhere. Trade School has a staff of 6 volunteers and 25 member cities across the world.