K12 Inc., one of the nation’s largest providers of proprietary curriculum and online school programs for students in kindergarten through high school, has announced an all-stock acquisition of KC Distance Learning Inc. (KCDL), a privately held provider of distance learning programs for middle and high school students, BusinessWire reports. The acquisition bolsters K12’s position as a leader in K-12 online education and a provider of virtual school solutions. The move adds a new line of products and services to K12’s offerings for public and private schools, international schools, and individual consumers. Additionally, K12 significantly increases the size of its online private school offering through the acquisition of KCDL. Headquartered in Portland, Ore., KCDL has three brands that provide education services to districts, public and private schools, and directly to families: Aventa Learning, The Keystone School, and iQ Academies. Aventa Learning, which is accredited by the Northwest Association of Accredited Schools, offers more than 140 core, elective, and AP courses in grades 6-12 that provide schools with cost-effective online learning solutions, from credit recovery courses to full-scale virtual school programs. The Keystone School is a leading online private school for middle and high school students, while iQ Academies operates statewide online public schools in partnership with school districts or public charter schools in six states: Kansas, Minnesota, Nevada, Texas, Washington, and Wisconsin…