This issue brief is part of the National Association of Charter School Authorizers' (NACSA's) "Cyber Series," which addresses issues in policy and practice that relate to authorizing online and blended charter schools. This brief aims to improve authorizer understanding and oversight of blended charter schools, which combine digital learning with instruction in brick-and-mortar locations. It begins with an explanation of the variety of blended charter school models, followed by a brief discussion of key issues for authorizer awareness and consideration in the blended charter school context, with attention to both initial approval and ongoing oversight. The brief then provides more specific guidance on evaluating proposals for blended charter schools. Finally, it provides general recommendations for overseeing and evaluating blended charter schools. (Contains 1 table and 22 endnotes.)