What are the requirements for homeschooling in your state? I’d start there.
The simplest solution is to homeschool your kids for a year; then reassess and decide to re-enroll them in HS or to continue with homeschooling. But you’d need to check out what you’d need to provide in the way of structure, meeting your state’s requirements for graduation, etc.
There’s nothing to prevent you from homeschooling your kids from a Kibbutz in Israel (while they work in the kitchen or daycare or whatever their assignment is) or from an apartment in Panama while they do an independent study on marine and aquatic life, right?