She earned her Kandydat nauk degree in 1999. She will spend three months at Harvard (September–November 2005) to work on the topic "Early Modern Ukrainianization in the Borderlands: East-Central European Towns under German Law with an Emphasis on Ukrainian Cases." Hoshko will study the development of municipal self-government based on German law in the borderlands of East Central Europe from the late Middle Ages through the early modern period.