Dates set for Lehigh University’s in-person commencement Updated Mar 07, 2021; Posted Mar 07, 2021 Lehigh University's 150th spring commencement ceremony is held May 21, 2018, at the Goodman Stadium in Bethlehem.lehighvalleylive.com file photo Facebook Share Lehigh University has set the dates for its in-person commencement ceremonies, for both the Class of 2020 and Class of 2021. Separate ceremonies are planned for undergraduates in the Class of 2020, for undergraduates in the Class of 2021, and for graduate students in the Classes of 2020 and 2021. Additionally, a single, virtual commencement address will be delivered for all graduates. The current schedule is as follows: Virtual Commencement Address and Celebration Kickoff: 1 p.m. Friday, May 21: Featuring Terry Hart ’68, former NASA astronaut and Lehigh mechanical engineering and mechanics professor.