This document summarizes a presentation about maximizing research opportunities using the Ohio Longitudinal Data Archive (OLDA). The Ohio Education Research Center (OERC) manages OLDA to conduct educational research and evaluation. OLDA contains longitudinal administrative data from K-12, higher education, workforce, and other state agencies. The presentation describes OLDA's data resources, access procedures, and examples of research projects conducted using OLDA data to inform education policy and practice in Ohio.