Exploring Fields of Study (EFoS) programming offers first-year students the opportunity to explore concentrations and secondary fields during the second semester of your first year. While you do not need to declare a concentration until November of your sophomore year, you are required to report at least one advising conversation in my.harvard after meeting with a concentration adviser or attending a Fields of Study Session by Monday, April 25, 2021. Check out the Exploring Fields of Study calendar to view and attend events