While it is a mishmash of old terminology (Achievement test → SAT II → SAT subject test were the official names), the test themselves were discontinued in 2020, so it is possible that some current students had taken them (consider non-traditional students or other students who took gap years of some sort).
It is a vassar.edu URL to the 2024-2025 catalog.
https://catalogue.vassar.edu/content.php?catoid=55&navoid=11677