https://www.youtube.com/watch?v=_O9NnbXvjkM https://www.thecrimson.com/article/1969/9/18/admissions-personal-rating-is-crucial-pin/ Harvard’s Personal Rating: The Impact of Private High School Attendance https://aapr.hkspublications.org/2020/10/04/harvards-personal-rating-the-impact- ...