Established in 1992 with funding from the U.S. Department of Education, the mission of the clearinghouse is to "acquire and catalog mathematics and science curriculum resources, creating the most comprehensive collection in the nation; provide the best selection of math and science education resources on the Internet; support teachers' professional development in math, science, and the effective use of technology; serve all K-12 educators, parents, and students with free products and services."

ENC.ORG is now goENC.COM!