So the San Francisco school district gives priority to certain neighborhoods roughly based these criteria and gentrification has been a problem. Wealthy folks move into historically poor neighborhoods and benefit from lagging statistics in school choice.

>> Anne Zimmerman, a stay-at-home parent and writer, had what others call, sometimes derisively, the “golden ticket.” She and her husband, who works in advertising, moved into their two-bedroom rental in the Potrero Hill neighborhood a decade ago, without realizing their address granted them priority in the school lottery.

>> This year, their daughter, Vera, was offered admission to their first-choice kindergarten, one of the most requested in the city. The school is 37 percent white and 21 percent low-income. Districtwide, 15 percent of students are white and 55 percent are low-income.

Source: https://www.nytimes.com/2019/04/25/us/san-francisco-school-s...

sure, but I don't think any existing laws would prevent them from just buying a second house in a bad part of their home town and using that address for applications and I can't see how the College Board could reliably detect this.