| Mazie Stilwell | AFSCME Iowa Council 61 | Opposing | GA88 |
| Morgan Miller | AFSCME Iowa Council 61 | Opposing | GA88 |
| Daniel Zeno | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA88 |
| Mark Stringer | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA88 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA88 |
| Drew Klein | Americans For Prosperity | Supporting | GA88 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA88 |
| Angelica Cardenas-Chaisson | Common Good Iowa | Opposing | GA88 |
| MaryNelle Trefz | Common Good Iowa | Opposing | GA88 |
| Sheila Hansen | Common Good Iowa | Opposing | GA88 |
| Christopher Rants | Des Moines Public Schools | Opposing | GA88 |
| John Cacciatore | Des Moines Public Schools | Opposing | GA88 |
| Joe Bailey | Homeschool Iowa | Undecided | GA88 |
| Laura Carlson | Homeschool Iowa | Undecided | GA88 |
| Teresa Bomhoff | IA Mental Health Planning Council | Opposing | GA88 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA88 |
| BRITTANY LUMLEY | Iowa Advocates for Choice in Education | Supporting | GA88 |
| Eric Goranson | Iowa Association of Christian Schools | Supporting | GA88 |
| Emily Piper | Iowa Association of School Boards | Opposing | GA88 |
| Phil Jeneary | Iowa Association of School Boards | Opposing | GA88 |
| Larry Murphy | Iowa Catholic Conference | Supporting | GA88 |
| Meghan Malloy | Iowa Catholic Conference | Supporting | GA88 |
| Tom Chapman | Iowa Catholic Conference | Supporting | GA88 |
| Brian Carter | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Gary Nims | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Rita Carter | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Sheila Corsbie | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Opposing | GA88 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Katie Graham | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Bradley Hudson | Iowa State Education Association | Opposing | GA88 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA88 |
| Mike Heller | Iowa Talented and Gifted Association | Undecided | GA88 |
| Paula Feltner | Iowa Talented and Gifted Association | Undecided | GA88 |
| Amy Campbell | League of Women Voters of Iowa | Opposing | GA88 |
| Craig Patterson | League of Women Voters of Iowa | Opposing | GA88 |
| Abigail Nelson | One Iowa Action | Opposing | GA88 |
| Keenan Crow | One Iowa Action | Opposing | GA88 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA88 |
| David Wilkerson | School Administrators of Iowa | Opposing | GA88 |
| Angie Long | The Family Leader | Supporting | GA88 |
| Chuck Hurley | The Family Leader | Supporting | GA88 |
| Daniel Sunne | The Family Leader | Supporting | GA88 |
| Danny Carroll | The Family Leader | Supporting | GA88 |
| Angie Long | The Family Leader Foundation | Supporting | GA88 |
| Chuck Hurley | The Family Leader Foundation | Supporting | GA88 |
| Daniel Sunne | The Family Leader Foundation | Supporting | GA88 |
| Danny Carroll | The Family Leader Foundation | Supporting | GA88 |
| Kelli Harrison | UAW Region 4 | Opposing | GA88 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA88 |