Her research interests include education reforms in Norway since the Second World War. She has contributed to The Nordic Education Model. 'A School for All' Encounters Neo-Liberal Policy, which is a result of the NordNet research network. Volckmar is also the editor of Utdanningshistorie. Grunnskolen som samfunnsintegrerende institusjon [History of Education. Compulsory school as a social integrating institution] (2016) covering the development of the Norwegian education system from the early eighteenth century until present.
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