A welder at work in Port Fourchon, La., in 2010. (Patrick Kelley/Reuters) College is not a guaranteed path to the American dream. Neither are the skilled trades. ‘Did you need to go to college to…

Teacher Kyle Schwartz works with students in her third-grade classroom at Doull Elementary School in Denver, Colo., in 2015. (Rick Wilking/Reuters) What the college-tuition scandal can teach us about public-school teacher pay. According to the…