2023-2024 ACT Test Dates & Registration Deadlines Test Date | Registration Deadline | Late Registration Deadline | Photo Upload/Standby | September 9,2023 | August 4, 2023 | August 18 | September 1 | October 28, 2023 | September 22 | October 6 | October 20 | December 9, 2023 | November 3 | November 17 | December 1 | February 10, 2024 | January 5 | January 19 | February 2 | April 13, 2024 | March 8 | March 22 | April 5 | June 8, 2024 | May 3 | May 17 | May 31 | July 13, 2024 | June 7 | June 21 | July 5 | | | | | | | | | | | | |
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