Dorothea Horas completed her training as a technical assistant for natural history museums and research institutes at the Senckenberg Institute in Frankfurt am Main in 2011. Her bachelor's degree in history and archaeology then took her to Martin Luther University Halle-Wittenberg. During this time, she was an exchange student at the San Marcos University in Lima. She wrote her Bachelor's thesis on female emancipation in the Peruvian guerrilla struggle of the 1980s/90s.

She completed her Master's degree in History at the Philipps University of Marburg. She completed her studies there in 2018 with a thesis on conservative women in the women's movement at the beginning of the 20th century. In 2019, she began a doctoral programme at the University of Potsdam. She is currently working on the mathematics and natural sciences subjects in Hochschulumbau Ost.