I am pretty sure K12.com is a public school, as is connections academy. Connections Academy has a lot of negative reviews and they operate under several different names but are virtually 1 company. They are paid through the district, so not truly homeschool. Are you wanting to homeschool or do online school as they are different. We build our own curriculum using Sonlight. We previously used Acellus which is a... Source: over 2 years ago

Primer | full-stack eng | staff level | SF/Bay Area onsite | https://primer.com Come join us at Primer and build the next generation education system with us. Primer Microschools are mixed-age classrooms where kids get personalized learning and get to be more ambitious, and learn to think for themselves. We are seeking a staff-level engineer to join us as the third member of our engineering team. About you:... - Source: Hacker News / 9 months ago

2. https://primer.com (community for home schooled kids). - Source: Hacker News / almost 2 years ago

Check out https://primer.com. It's an education site where kids learn interesting things through collaborative projects. I don't know much about your situation but I would still try and focus more on in-person activities. - Source: Hacker News / over 2 years ago

Haven't tried them personally, but had run across https://sanako.com/ and https://withprimer.com/. Looks like primer is more for home-schooling though. Source: about 3 years ago