In Guilford County certain schools can get the transfers because of the "academic programs". This is always a loop hole that they can use. That's how they get transfers to come without moving into their zone. NW Guilford really doesn't have any "academic program" to draw students there.
https://greensborosports.com/2024/05/02/official-statement-release-on-antwon-stevenson-appointed-as-the-new-head-football-coach-at-ragsdale-high-school/
Comments here might give some more insight.