| Melissa Speed | AFSCME Iowa Council 61 | Opposing | GA89 |
| Drew Klein | Americans For Prosperity | Supporting | GA89 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA89 |
| Kate Walton | Area Education Agencies of Iowa | Opposing | GA89 |
| Madeleine Bradley | Area Education Agencies of Iowa | Opposing | GA89 |
| Matt Eide | Area Education Agencies of Iowa | Opposing | GA89 |
| Kelli Soyer | Common Good Iowa | Opposing | GA89 |
| Mike Owen | Common Good Iowa | Opposing | GA89 |
| Natalie Veldhouse | Common Good Iowa | Opposing | GA89 |
| Sheila Hansen | Common Good Iowa | Opposing | GA89 |
| Christopher Rants | Des Moines Public Schools | Opposing | GA89 |
| John Cacciatore | Des Moines Public Schools | Opposing | GA89 |
| Jake Highfill | EdChoice | Supporting | GA89 |
| Marcus Haack | Episcopal Diocese of Iowa | Opposing | GA89 |
| Wendy Abrahamson | Episcopal Diocese of Iowa | Opposing | GA89 |
| Molly Severn | Governor's Office | Supporting | GA89 |
| Bill Gustoff | Homeschool Iowa | Undecided | GA89 |
| Teresa Bomhoff | IA Mental Health Planning Council | Opposing | GA89 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA89 |
| BRITTANY LUMLEY | Iowa Advocates for Choice in Education | Supporting | GA89 |
| Jeffrey Boeyink | Iowa Advocates for Choice in Education | Supporting | GA89 |
| Michael McCarthy | Iowa Alliance For Retired Americans | Opposing | GA89 |
| Brian Carter | Iowa Annual Conference of United Methodist Church | Opposing | GA89 |
| Cherie Miner | Iowa Annual Conference of United Methodist Church | Opposing | GA89 |
| Gary Nims | Iowa Annual Conference of United Methodist Church | Opposing | GA89 |
| Rita Carter | Iowa Annual Conference of United Methodist Church | Opposing | GA89 |
| Eric Goranson | Iowa Association of Christian Schools | Supporting | GA89 |
| Emily Piper | Iowa Association of School Boards | Opposing | GA89 |
| Michelle Johnson | Iowa Association of School Boards | Opposing | GA89 |
| Phil Jeneary | Iowa Association of School Boards | Opposing | GA89 |
| Larry Murphy | Iowa Catholic Conference | Supporting | GA89 |
| Meghan Malloy | Iowa Catholic Conference | Supporting | GA89 |
| Tom Chapman | Iowa Catholic Conference | Supporting | GA89 |
| Eric St Clair | Iowa Department of Education | Supporting | GA89 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Opposing | GA89 |
| Amy Campbell | Iowa Library Association (ILA) | Opposing | GA89 |
| Craig Patterson | Iowa Library Association (ILA) | Opposing | GA89 |
| Kate Walton | Iowa Speech Language Hearing Association | Undecided | GA89 |
| Madeleine Bradley | Iowa Speech Language Hearing Association | Undecided | GA89 |
| Matt Eide | Iowa Speech Language Hearing Association | Undecided | GA89 |
| Kellie Paschke | Iowa State Education Association | Opposing | GA89 |
| Kelly Meyers | Iowa State Education Association | Opposing | GA89 |
| Logan Murray | Iowa State Education Association | Opposing | GA89 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA89 |
| Morgan Miller | Iowa State Education Association | Opposing | GA89 |
| Troy Skinner | Iowa State Education Association | Opposing | GA89 |
| David Adelman | Iowans For School Choice | Supporting | GA89 |
| Frank Chiodo | Iowans For School Choice | Supporting | GA89 |
| Lillie Brady | Iowans For School Choice | Supporting | GA89 |
| Matt Hinch | Iowans For School Choice | Supporting | GA89 |
| Sara Allen | Iowans For School Choice | Supporting | GA89 |
| Victoria Sinclair | Iowans for Tax Relief | Supporting | GA89 |
| Amy Campbell | League of Women Voters of Iowa | Opposing | GA89 |
| Craig Patterson | League of Women Voters of Iowa | Opposing | GA89 |
| Keenan Crow | One Iowa | Opposing | GA89 |
| Keenan Crow | One Iowa Action | Opposing | GA89 |
| Mark Joyce | Pearson Education/NCS Pearson | Undecided | GA89 |
| Nathaniel Arnold | Professional Educators of Iowa | Undecided | GA89 |
| Dave Daughton | Rural School Advocates of Iowa | Opposing | GA89 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA89 |
| Bob Rafferty | Stride, Inc. | Undecided | GA89 |
| Lon Anderson | Stride, Inc. | Undecided | GA89 |
| Nick Laning | Stride, Inc. | Undecided | GA89 |
| Jim Romar | Teamsters Local 238 | Opposing | GA89 |
| Chuck Hurley | The Family Leader | Supporting | GA89 |
| Daniel Sunne | The Family Leader | Supporting | GA89 |
| Danny Carroll | The Family Leader | Supporting | GA89 |
| Rebekah Oleson | The Family Leader | Supporting | GA89 |
| Chuck Hurley | The Family Leader Foundation | Supporting | GA89 |
| Daniel Sunne | The Family Leader Foundation | Supporting | GA89 |
| Danny Carroll | The Family Leader Foundation | Supporting | GA89 |
| Denise Bubeck | The Family Leader Foundation | Supporting | GA89 |
| Greg Baker | The Family Leader Foundation | Supporting | GA89 |
| Rebekah Oleson | The Family Leader Foundation | Supporting | GA89 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA89 |
| Kathryn Kueter | VALOR Iowa | Supporting | GA89 |
| Andy Conlin | Yes. Every Kid. | Supporting | GA89 |