Kilbert needed 25 more points to break the record on Saturday. He scored 36 in the Chieftans 62-60 win against Edison High School.
Last year, sports anchor Alec Nolan caught up with Kilbert when he was a junior hunting for a league title.
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Kilbert breaks Washington Union graduate Tre'von Willis' mark of 2,842 career points, which was set in 2006.
Another notable name he passes is former first-round pick Deshawn Stevenson, who set the record in 1999.