Welding Training Schools in Detroit, MI. Find a Detroit trade school with welding certificate training classes and welding technology associate degree programs. Take a technical college program and become a welder by training to use and maintain modern welding equipment, read blueprints and sketches, determine the size of projects and more. The alternative higher education: trade school | Culture ... Aug 24, 2016 · The alternative higher education: trade school Enter trade schools. Metro Times has been keeping Detroit informed for years.