On Wednesday, April 19, Riverdale juniors will take the ACT plus Writing, while the freshmen and sophomores take the ACT Aspire test. On test day, students should arrive by 8:15 a.m. to allow time to check in. Testing will begin promptly at 8:30 a.m. Late students will not be permitted to test. To learn more, and see what students should and should not bring with them, click this link.