I feel like I am beating my head against a wall with this one. If this is the line you want to draw, don't just draw it in the sand. Draw it!! Don't say "they won't vaxx my kids!!" Because guess what? Your kids being there is consent. They will line them up and give them the shot. They know your kids are coming, and they have ways to make them get it. They are masters of manipulation. Judging from the fact that your kids are still in government schools shows that they have manipulated you into thinking you have to have them there.

Are you afraid to take your kids out because of their friends or activities? I don't know about you, however in my adult life I only have one friend from my school years that I still talk to, and we only talk a few times a year. It's not that important. They will make new friends. Just like moving to another state, they will start over. It will take time. But they will do it. The good news is that they will still live near those kids, so if they value the relationship as much as you perceive they do, they will still be friends. Activities? You will be surprised how much homeschoolers can participate in. My homeschool kids are much more well rounded than I ever was at their age. Even if it doesn't include the life long "skill" of "football"