| Dustin Rush | Americans For Prosperity | Supporting | GA91 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA91 |
| Laura Carlson | Concerned Women For America of Iowa | Supporting | GA91 |
| Scott Woodruff | Home School Legal Defense Association | Supporting | GA91 |
| Jeremy Vos | Homeschool Iowa | Supporting | GA91 |
| Amber Williams | Inspired Life | Supporting | GA91 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA91 |
| Emily Piper | Iowa Association of School Boards | Opposing | GA91 |
| Michelle Johnson | Iowa Association of School Boards | Opposing | GA91 |
| Jason Benell | Iowa Atheists and Freethinkers | Opposing | GA91 |
| Robert Cook | Iowa Atheists and Freethinkers | Opposing | GA91 |
| Robert Hoffman | Iowa Atheists and Freethinkers | Opposing | GA91 |
| Teresa Bomhoff | Iowa Integrated Health Planning and Advisory Council | Opposing | GA91 |
| Robert Ussery | Iowa Minuteman Civil Defense Corps | Supporting | GA91 |
| Clair Lewis | Iowa Public Health Association | Opposing | GA91 |
| Kate Walton | Iowa Public Health Association | Opposing | GA91 |
| Matt Eide | Iowa Public Health Association | Opposing | GA91 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA91 |
| Lauren Gideon | Quadrivium Services | Supporting | GA91 |
| Dave Daughton | Rural School Advocates of Iowa | Opposing | GA91 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA91 |
| Dave Daughton | School Administrators of Iowa | Opposing | GA91 |
| Chuck Hurley | The Family Leader | Supporting | GA91 |
| Danny Carroll | The Family Leader | Supporting | GA91 |
| Josiah Oleson | The Family Leader | Supporting | GA91 |
| Ryan Benn | The Family Leader | Supporting | GA91 |
| Chuck Hurley | The Family Leader Foundation | Supporting | GA91 |
| Danny Carroll | The Family Leader Foundation | Supporting | GA91 |
| Josiah Oleson | The Family Leader Foundation | Supporting | GA91 |
| Ryan Benn | The Family Leader Foundation | Supporting | GA91 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA91 |
| John Strathman | VALOR Iowa | Supporting | GA91 |
| Andy Conlin | Yes. Every Kid. | Supporting | GA91 |
| Dennis Tibben | Yes. Every Kid. | Supporting | GA91 |