You will also find you have neighbors in similar situations who likely run a small group daycare operation for a bit of extra cash.
Yes, your kid is not going to have as many teachers. They will also have far, far, far fewer peers and smaller classroom sizes. They will get more attention from the teachers.
If your kid wants to do AP or SAT prep, you will find your local school can run the course after hours. You can probably hire one of their teachers.