| Marcus Haack | Episcopal Diocese of Iowa | Opposing | GA89 |
| Wendy Abrahamson | Episcopal Diocese of Iowa | Opposing | GA89 |
| Bill Gustoff | Homeschool Iowa | Undecided | GA89 |
| Sandra Conlin | Human Rights Campaign | Opposing | GA89 |
| Teresa Bomhoff | IA Mental Health Planning Council | Opposing | GA89 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | 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 |
| Brad Cranston | Iowa Baptists For Biblical Values | Supporting | 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 |
| Eric St Clair | Iowa Department of Education | Undecided | GA89 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Opposing | GA89 |
| Becky Tayler | Iowa Safe Schools | Opposing | GA89 |
| Damian Thompson | Iowa Safe Schools | Opposing | GA89 |
| Carlos Rodriguez Rosa | Iowa School Mental Health Alliance | Opposing | GA89 |
| Jennifer Ulie-Wells | Iowa School Mental Health Alliance | Withdrawn | GA89 |
| Jennifer Ulie-Wells | Iowa School Mental Health Alliance | Opposing | GA89 |
| Markell Colemon | Iowa School Mental Health Alliance | Opposing | GA89 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA89 |
| Morgan Miller | Iowa State Education Association | Opposing | GA89 |
| Joseph Wernau | National Association of Social Workers, Iowa Chapter | Opposing | GA89 |
| Keenan Crow | One Iowa | Opposing | GA89 |
| Keenan Crow | One Iowa Action | Opposing | GA89 |
| Jamie Burch | Planned Parenthood Advocates of Iowa | Opposing | GA89 |
| Jamie Burch | Planned Parenthood North Central States | Opposing | GA89 |
| Carlos Rodriguez Rosa | Please Pass the Love | Opposing | GA89 |
| Jennifer Ulie-Wells | Please Pass the Love | Opposing | GA89 |
| Markell Colemon | Please Pass the Love | Opposing | 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 |
| David Wilkerson | School Administrators of Iowa | 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 |