| 05/17/2024 | Governor: Vetoed by Governor | |||
| 04/17/2024 | Governor: Governor's Action Deadline 11:59 p.m., May 17, 2024 | |||
| House | 04/17/2024 | Communicated to Governor | ||
| House | 04/17/2024 | VOTE: REJECTED (46-Y 54-N) | ||
| House | 04/17/2024 | House rejected Governor's recommendation (46-Y 54-N) | ||
| House | 04/05/2024 | Governor's substitute printed 24109243D-H2 | ||
| House | 04/05/2024 | Governor's recommendation received by House | ||
| 03/27/2024 | Governor: Governor's Action Deadline 11:59 p.m., April 8, 2024 | |||
| House | 03/27/2024 | Enrolled Bill communicated to Governor on March 27, 2024 | ||
| House | 03/26/2024 | Signed by Speaker | ||
| Senate | 03/25/2024 | Signed by President | ||
| House | 03/25/2024 | Bill text as passed House and Senate (HB1504ER) | ||
| House | 03/25/2024 | Enrolled | ||
| Senate | 03/06/2024 | Conference report agreed to by Senate (40-Y 0-N) | ||
| Senate | 03/06/2024 | Passed by temporarily | ||
| House | 03/05/2024 | VOTE: Adoption (100-Y 0-N) | ||
| House | 03/05/2024 | Conference report agreed to by House (100-Y 0-N) | ||
| 03/05/2024 | Conference: Amended by conference committee | |||
| House | 02/28/2024 | Delegates: Seibold, Rasoul, Green | ||
| House | 02/28/2024 | Conferees appointed by House | ||
| Senate | 02/28/2024 | Senators: Carroll Foy, Pekarsky, Peake | ||
| Senate | 02/28/2024 | Conferees appointed by Senate | ||
| House | 02/26/2024 | House acceded to request | ||
| Senate | 02/23/2024 | Senate requested conference committee | ||
| Senate | 02/23/2024 | Senate insisted on amendment (38-Y 0-N) | ||
| House | 02/21/2024 | VOTE: REJECTED (1-Y 98-N) | ||
| House | 02/21/2024 | Senate substitute rejected by House 24107761D-S1 (1-Y 98-N) | ||
| Senate | 02/19/2024 | Passed Senate with substitute (39-Y 0-N) | ||
| Senate | 02/19/2024 | Engrossed by Senate - committee substitute HB1504S1 | ||
| Senate | 02/19/2024 | Committee substitute agreed to 24107761D-S1 | ||
| Senate | 02/19/2024 | Reading of substitute waived | ||
| Senate | 02/19/2024 | Read third time | ||
| Senate | 02/16/2024 | Constitutional reading dispensed (38-Y 0-N) | ||
| Senate | 02/15/2024 | Committee substitute printed 24107761D-S1 | ||
| Senate | 02/15/2024 | Reported from Education and Health with substitute (15-Y 0-N) | ||
| Senate | 02/12/2024 | Referred to Committee on Education and Health | ||
| Senate | 02/12/2024 | Constitutional reading dispensed | ||
| House | 02/09/2024 | VOTE: Block Vote Passage (96-Y 0-N) | ||
| House | 02/09/2024 | Read third time and passed House BLOCK VOTE (96-Y 0-N) | ||
| House | 02/08/2024 | Engrossed by House - committee substitute HB1504H1 | ||
| House | 02/08/2024 | Committee substitute agreed to 24107067D-H1 | ||
| House | 02/08/2024 | Read second time | ||
| House | 02/07/2024 | Read first time | ||
| House | 02/05/2024 | Committee substitute printed 24107067D-H1 | ||
| House | 02/05/2024 | Reported from Education with substitute (22-Y 0-N) | ||
| House | 01/31/2024 | Subcommittee recommends reporting with substitute (8-Y 0-N) | ||
| House | 01/29/2024 | Assigned Education sub: Early Childhood | ||
| House | 01/19/2024 | Referred to Committee on Education | ||
| House | 01/19/2024 | Presented and ordered printed 24105799D |