Professor Lehmann specializes in the areas of work, education, and social inequality. His main research focus is on the interplay between structural factors and individual agency in school-work transitions. He is currently working on a SSHRC-funded research project investigating the experiences of first-generation, working-class university students. He was a contributor to Levine-Rasky's Canadian Perspectives on the Sociology of Education (OUP Canada, 2008) and is the author of Choosing to Labour? School-Work Transition's and Social Class (McGill-Queen's Press, 2007).