| Troy Price | AFSCME Iowa Council 61 | Opposing | GA89 |
| Mark Stringer | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA89 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA89 |
| Rita Bettis Austen | American Civil Liberties Union of Iowa (ACLU-IA) | 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 |
| Matt Eide | Area Education Agencies of Iowa | Opposing | GA89 |
| Tom Lane | Area Education Agencies of Iowa | Opposing | GA89 |
| Kate Walton | Autism Speaks | Undecided | GA89 |
| Matt Eide | Autism Speaks | Undecided | GA89 |
| Alex Hassel | City of Des Moines | Opposing | GA89 |
| Jen Schulte | City of Des Moines | Opposing | GA89 |
| MaryNelle Trefz | Common Good Iowa | Opposing | GA89 |
| Mike Owen | Common Good Iowa | Opposing | GA89 |
| Sheila Hansen | Common Good Iowa | Opposing | GA89 |
| Drew Kamp | Council Bluffs Chamber of Commerce | Undecided | GA89 |
| Clara Wulfsen | Department of Revenue | Undecided | 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 |
| Zachary Eckert | Excellence in Education National, Inc., d/b/a Excellence in Education in Action | Supporting | GA89 |
| Logan Shine | Governor's Office | Supporting | GA89 |
| Bill Gustoff | Homeschool Iowa | Supporting | GA89 |
| Joe Bailey | Homeschool Iowa | Supporting | 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 |
| Eric Goranson | Iowa Association of Christian Schools | Undecided | GA89 |
| David Palmer | Iowa Association of Community College Trustees | Undecided | GA89 |
| Emily Shields | Iowa Association of Community College Trustees | Undecided | GA89 |
| Jeff Smith | Iowa Association of Community College Trustees | Undecided | GA89 |
| Jerry Fitzgerald | Iowa Association of Community College Trustees | Undecided | GA89 |
| Laurie Wolf | Iowa Association of Community College Trustees | Undecided | GA89 |
| Maggie Smith-Fitzgerald | Iowa Association of Community College Trustees | Undecided | GA89 |
| Matt Fitzgerald | Iowa Association of Community College Trustees | Undecided | GA89 |
| Emily Piper | 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 |
| James Kersten | Iowa Central Community College | Undecided | GA89 |
| Brian Carter | Iowa Conference of United Methodist Church | Opposing | GA89 |
| Gary Nims | Iowa Conference of United Methodist Church | Opposing | GA89 |
| Rita Carter | Iowa Conference of United Methodist Church | Opposing | GA89 |
| Roberta Paige | Iowa Conference of United Methodist Church | Opposing | GA89 |
| Renee Jerman | Iowa Department of Education | Supporting | GA89 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Opposing | GA89 |
| Frederick Haskins | Iowa Insurance Associates | Opposing | GA89 |
| Becky Tayler | Iowa Safe Schools | Opposing | GA89 |
| Damian Thompson | Iowa Safe Schools | Opposing | GA89 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Michael Gronstal | Iowa State Building and Construction Trades | Opposing | 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 |
| Matt Hinch | Iowans For School Choice | Supporting | GA89 |
| Sara Allen | Iowans For School Choice | Supporting | GA89 |
| Amy Campbell | League of Women Voters of Iowa | Opposing | GA89 |
| Craig Patterson | League of Women Voters of Iowa | Opposing | GA89 |
| Betty Andrews | NAACP, National Association for the Advancement of Colored People, Iowa-Nebraska | Opposing | GA89 |
| David Walker | NAACP, National Association for the Advancement of Colored People, Iowa-Nebraska | Opposing | GA89 |
| Russell Lovell | NAACP, National Association for the Advancement of Colored People, Iowa-Nebraska | Opposing | GA89 |
| Susan Cameron Daemen | Reaching Higher Iowa | Supporting | GA89 |
| Tony Phillips | Reaching Higher Iowa | Supporting | GA89 |
| BRITTANY LUMLEY | Ruan, Inc. | Supporting | GA89 |
| Charlotte Eby | Ruan, Inc. | Supporting | GA89 |
| Jeffrey Boeyink | Ruan, Inc. | Supporting | GA89 |
| Taylor McDonald | Ruan, Inc. | Supporting | GA89 |
| Dave Daughton | Rural School Advocates of Iowa | Opposing | GA89 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA89 |
| David Wilkerson | School Administrators of Iowa | Opposing | GA89 |
| Bob Rafferty | Stride, Inc. | Supporting | GA89 |
| Nick Laning | Stride, Inc. | Supporting | GA89 |
| Rachel Ong | Stride, Inc. | Supporting | GA89 |
| Angie Long | The Family Leader | Supporting | GA89 |
| Chuck Hurley | The Family Leader | Supporting | GA89 |
| Daniel Sunne | The Family Leader | Supporting | GA89 |
| Danny Carroll | The Family Leader | Supporting | GA89 |
| Angie Long | The Family Leader Foundation | 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 |
| Rebekah Oleson | The Family Leader Foundation | Supporting | GA89 |
| Kelli Harrison | UAW Region 4 | Opposing | GA89 |
| Karl Schilling | United Professionals/UE | Opposing | GA89 |
| Dave Stone | United Way of Central Iowa | Opposing | GA89 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA89 |