Sandra earned a bachelor's degree from Bielefeld University in the subjects of German studies and biology, as well as two master's degrees in German as a second language and German studies and education from the same institution.
In 2012-13, she studied as an exchange student at Niigata University in Japan. After her return, she completed her bachelor's degree with a thesis titled “Lulus Masken. Weiblichkeitstypen um 1900 in Frank Wedekinds Erdgeist und Die Büchse der Pandora.” Her master’s thesis was entitled Wie sich das Ich auflöst. Zur Repräsentation des Sterbens in Arthur Schnitzlers Novellen Sterben und Fräulein Else and investigated the novellas of Arthur Schnitzler in the context of the psychoanalysis of the Wiener Moderne. In 2017, Sandra completed an additional master's degree in Germanic languages and literatures at the University of Cincinnati. She has worked as a tutor in linguistics and a peer tutor at Bielefeld University, as well as teaching introductory German courses at Niigata University and University of Cincinnati.