Informal STEM education institutions seek to engage broader cross sections of their communities to address inequities in STEM participation and remain relevant in a multicultural society. In this chapter, we advance the role that evaluation can play in helping the field adopt more inclusive practices and achieve greater equity than at present through evaluation that addresses sociopolitical contexts and reflects the perspectives and values of non-dominant communities. To do this for specific projects, we argue that evaluation should privilege the voices and lived experiences of non-dominant