Globally, the prevalence of autism spectrum disorder has increased substantially. In 2014, an estimated 1 in 59 children aged 8 years in the United States of America were diagnosed on the autism spectrum (Baio et al. 2018). Furthermore, the number of students on the autism spectrum attending mainstream schools has grown (Ravet 2011; Soto-Chodiman, Pooley, Cohen and Taylor 2012) as a more inclusive approach to education for all students has evolved (Farrell and Ainscow 2002; United Nations Educational Scientific and Cultural Organisation 1994). However, despite rapid expansion in autism research, effective support for the educational needs of students on the spectrum remains a challenge for students, teachers, parents/carers and specialists working in schools (Humphrey and Symes 2013;