Renagh received her J.D. from Yale Law School in 2014. At Yale, Renagh was a founding member of the Educational Opportunity and Juvenile Justice Clinic, which provides representation for students in expulsion proceedings. She also served as a Student Director of the Criminal Justice Clinic and as a Comments Editor for the Yale Law Journal. During law school, Renagh interned with the Orleans Public Defenders and The Bronx Defenders. Renagh received her undergraduate degree from the University of Michigan.