I looked into this a little more and there are actually homeschool and home study groups registered. All you need is 20 families interested and willing to submit the parents name, zip, email, and number of students interested in order to register a group. They add the group and the parent can then register and pay for the individual students on their site.
"While students participating in the Open Enrollment Program primarily use the EPGY Kindergarten through Pre-Algebra (K-7) Mathematics Course, they are also able to use the English Language Arts and Writing course."
That is an amazing offer for only $135 for a year! The only difference is that the parents are the advisor instead of an EPGY teacher.