@SJaneS49
Wanting your children to have local connections is hardly the same thing as wanting them to go to the same school you have, marry the bloke next door and stay local all their life! Rather a huge step there! For us, our DD goes to a school 50 minutes away. While one of her group of school friends lives in the next village, the rest live over an hour away making meet ups more of a hassle. The local friendships she has maintained from Primary have been great for weekend and holiday socialising that don’t involve sleepovers and long drives.
No but this is often the case. I know quite a few families who have lived , their children, their jobs, all in the same area/Borough. Sorry, it's time to move on. That's why people from the outskirts are practically itching to go to places like London for example.
How old is your DD, her local primary friendships are more likely to change, particularly when kids are post 16. Funny though, my life long friends were the ones I met in Secondary and people who I knew outside of school, e.g. neighbours.
However, the OP is talking about the detriment of her child's well-being vs struggles but not wanting to move because of local connections and being lonely.
Also, state schools can not admit a child due to their SEN, if you fight it that is and can prove that the school can meet your child's needs.