Anonymous wrote:I don't think it's important for both parents to attend an open house. Your best bet re: openings for your transfer in grade is to call the school and ask. Bonus--you'll have a conversation with a human and learn a bit about the school/them you.
This. It depends entirely on the school and even then it fluctuates from year to year based on whether other students leave. It’s always worth asking. My DC has had a few new students join their grade in both 10th and 11th, so it certainly does happen.