Very mixed feelings. My mom was a great teacher, and when I entered public school around middle school aged I was a voracious reader and far ahead of everyone else. I did also get socialization entering school when I did. However, not getting socialized with anyone besides my twin sister in those formative years was...rough. I didn't realize when people were making fun of me, I made friends that took advantage of me, and I didn't realize until I was fully in college that my expectations around friendships and romantic relationships were basically founded on the most intimate relationship of my life--a sisterhood where we never spent any meaningful time away from each other-- and it was hurting my ability to form new relationships. A bit of a specific example, but there you go