Research conducted by the College Board suggests that scores on the SAT have high predictive validity for first-year college students’ GPA (Kobrin, Patterson, Shaw, Mattern, & Barbuti, 2008).
It's not surprising that the College Board's own research validates the relevance of the SAT for college admissions since this organization has a massive financial interest in the test. According to this article in Forbes, the College Board has made billions off the SAT and ACT since 1990. It's refreshing to hear that these tests are being de-emphasized in college admissions. (ref: https://www.forbes.com/sites/scottwhite/2025/05/26/the-college-board-exposed-nonprofit-or-16-billion-testing-monopoly-in-disguise/