For more than 30 years KC Distance Learning (KCDL) has been a premier provider in online and distance learning programs for the K-12 education market through its company brands: Keystone National Middle School, Keystone National High School, Aventa Learning, and iQ Academies. Aventa Learning is a leading provider of online curriculum and instruction for schools and districts, offering one of the largest catalogs of online courses for middle school, high school and credit recovery.