This document uses gender mainstreaming as a template to assess how successfully disability has been brought into the mainstream, and how to promote disability equality. With a specific emphasis on the work and practices of DFID, it identifies eight key lessons from gender mainstreaming that can be applied to disability in development: develop clear institutional policy on disability equality; devise robust institutional structures capable of promoting a disability agenda; sustain an appropriate institutional culture; facilitate policy-relevant research and information; provide adequate guidelines and tools; promote the involvement of people with disabilities; carry out monitoring and evaluation activities