Welding Schools Quick Facts: Did you know that more than 6 out of 10 welding jobs are found in the manufacturing industries? Welding training ranges from a few weeks of school or on-the-job training for low-skilled positions to several years of combined school and on-the-job training for highly skilled jobs. The welding industry is expected to grow for the long term. Job prospects for graduates of welding schools should be excellent as employers report difficulty finding enough qualified people. Now's your chance to get into the welding industry by contacting the featured welding schools below.