Supported internships are a structured, work-based study programme for 16 to 24-year-olds with special educational needs and disabilities (SEND) who have an education, health and care (EHC) plan. The Department for Education (DfE) aims to strengthen the supported internship programme, by making an £18m investment in activity to allow the supported internship programme to grow sustainably, so that more young people can pursue a supported internship, while also driving up the quality of supported internship provision. CooperGibson Research, with St. Mary's University, was commissioned by the DfE to establish how, and to what extent, the investment in the programme improved employment outcomes for young people taking part in a supported internship. This interim report provides feedback on the early progress that the investment activities have made so far, to inform policy and delivery planning for supported internships. A mixed method, multi-stakeholder, longitudinal approach has been adopted for this evaluation, incorporating a series of surveys with interns, supported internship providers, job coaches, and participating employers. Findings indicate the response to the Internships Work activities appears to be positive, and providers also believe that the quality and quantity of supported internships has improved over the last two to three years. [This paper was written with St. Mary's University.]