Time window for accepted SAT/ACT confirmation scores is start of 10th grade (August '21) to middle of 12th grade (Dec '23) for the 2024 National Merit Scholarship program.
My S26 took the SAT last week after a good score on the PSAT 10. He was confident, likes the digital format, and had a rare open weekend… plus he was worried about getting rusty on the math
“AUTHORIZED TEST ADMINISTRATIONS (2024 NM Scholarship Program)
Only scores earned on administrations of the SAT or ACT from August 2021 through December 2023 will be considered by NMSC. NMSC will not accept scores from a test administration taken earlier than August 2021 or later than December 2023.”