The aim of the present systematic review is to investigate the role of both classroom and
school ethnic diversity, a structural aspect of interethnic relationships, in relation to bullying
and victimization. Several moderators of this association have been analyzed: country or
area of data collection, how ethnicity is operationalized and computed, and participants'
school level. A systematic literature search on Scopus, Web of Science and Eric databases
was conducted in January 2021; 4496 articles were identified and a final set of 20 papers …