| 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 |
| Marcus Haack | Episcopal Diocese of Iowa | Opposing | GA89 |
| Wendy Abrahamson | Episcopal Diocese of Iowa | Opposing | GA89 |
| Bill Gustoff | Homeschool Iowa | Supporting | GA89 |
| Joe Bailey | Homeschool Iowa | Supporting | GA89 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA89 |
| Emily Piper | Iowa Association of School Boards | Opposing | GA89 |
| Phil Jeneary | Iowa Association of School Boards | Opposing | GA89 |
| Thomas Mayes | Iowa Department of Education | Undecided | GA89 |
| Andrea Farrier | Iowa HSAP Professionals | Supporting | GA89 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA89 |
| Morgan Miller | Iowa State Education Association | Opposing | 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 |
| 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 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA89 |