Exploring differences and disparities in school-based services received by students with autism: A systematic review

•This systematic review contributes to the field by identifying determinants of disparities for school-based services for ASD.•Youth clinical characteristics by service type were most frequently examined (58 %, n = 21), followed by youth demographics with service type (36 %, n = 13).•Key findings and gaps within the current literature emerged with respect to three major areas: student age, race/ethnicity and family socio-economic status.