| Mar 3, 2025, 2:26 p.m. CT | House | Filed |
| Mar 3, 2025, 5:20 p.m. CT | House | Read the first time, rules suspended, read the second time and referred to the Committee on EDUCATION COMMITTEE- HOUSE |
| Mar 12, 2025, 8:37 a.m. CT | House | Placed on second reading for the purpose of amendment. |
| Mar 12, 2025, 8:37 a.m. CT | House | Amendment No. 1 read and adopted and the bill ordered engrossed. |
| Mar 12, 2025, 1:21 p.m. CT | House | REPORTED CORRECTLY ENGROSSED |
| Mar 20, 2025, 5:33 p.m. CT | House | Returned by the Committee with the recommendation that it do pass as amended 2 |
| Mar 31, 2025, 8:37 a.m. CT | House | Placed on second reading for the purpose of amendment. |
| Mar 31, 2025, 8:37 a.m. CT | House | Amendment No. 2 read and adopted and the bill ordered engrossed. |
| Mar 31, 2025, 2:10 p.m. CT | House | REPORTED CORRECTLY ENGROSSED |
| Apr 1, 2025, 2:35 p.m. CT | House | Read the third time and passed and ordered transmitted to the Senate. · |
| Apr 1, 2025, 7:21 p.m. CT | Senate | Received from the House. |
| Apr 1, 2025, 7:21 p.m. CT | Senate | Read first time, rules suspended, read second time, referred to EDUCATION COMMITTEE - SENATE |
| Apr 9, 2025, 1:16 p.m. CT | Senate | Returned by the Committee, with the recommendation that it Do Pass |
| Apr 14, 2025, 12:31 p.m. CT | Senate | Read the third time and failed. · |
| Apr 14, 2025, 12:32 p.m. CT | Senate | Motion to Expunge the Vote by which HB1646 failed to pass. Motion Carried. |
| Apr 15, 2025, 2:53 p.m. CT | Senate | Read the third time and passed. · |
| Apr 15, 2025, 2:53 p.m. CT | Senate | Returned to the House as passed. |
| Apr 15, 2025, 4:28 p.m. CT | House | Returned from the Senate as passed. |
| Apr 15, 2025, 4:28 p.m. CT | House | TO BE ENROLLED |
| Apr 16, 2025, 8:31 a.m. CT | House | Correctly enrolled and ordered transmitted to the Governor's Office. |
| Apr 21, 2025, 11:29 a.m. CT | House | Notification that HB1646 is now Act 917 |
