Here are the legal ways to homeschool in Orange County:
Private School at Home - Independent
You create and/or purchase your own curriculum. Go to California Homeschool Network to find out how to establish your own home as a private school just for your family.
Private School Satellite Programs (PSPs)
Independent study through a private school. Some of these private schools provide curriculum and classes, others don't.
Public School Independent Study Program (ISPs)
The county or your school district provides curriculum and classes. Free.
Schools funded and regulated by the state give you the curriculum. Some charter schools give you classes, allow you to choose curriculum from approved sources, and provide funding for outside classes. Free.
If you use tutors who possess teaching credentials for the subjects covered, you do not need to join any of the above schools.