Learn21 Ohio CoSN is an institutional membership organization open to K-12 school districts. Other education agencies and interested parties in Ohio may join as an affiliate educator or affiliate corporate member. Our primary audience is the Chief Technology Officer (CTO)* of K-12 districts. National and State dues. Today, Learn21 supports schools with a dynamic team of software developers and instructional innovators. In 2017, Learn21 expanded their support for K12 edtech by becoming the Ohio CoSN state chapter. Learn21 seeks to provide Leadership, Learning and Logistics support and advocacy to K12 edtech leaders. We are humbled and thankful to be able to give back to K12 educators and schools.