Most of the public schools around me are ~$10k a semester, not a year.
That's not even close to true.
Most public schools don't have residency requirements. The ones that do normally have waivers that are easy to get.
I've also never heard of a school with a residency requirement for sophomores.
https://www.washingtonpost.com/local/education/freshman-resi...
I said most public schools.
I don't really care about the cost of private schools just like I don't care about the cost of private boarding high schools.
Even the UC schools in California are close to that.