| Troy Price | AFSCME Iowa Council 61 | Opposing | GA89 |
| Drew Klein | Americans For Prosperity | Supporting | GA89 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA89 |
| MaryNelle Trefz | Common Good Iowa | Opposing | GA89 |
| Mike Owen | Common Good Iowa | Opposing | GA89 |
| Sheila Hansen | Common Good Iowa | Opposing | GA89 |
| Jake Highfill | EdChoice | Supporting | GA89 |
| Logan Shine | Governor's Office | Supporting | GA89 |
| Bill Gustoff | Homeschool Iowa | Supporting | GA89 |
| Joe Bailey | Homeschool Iowa | Supporting | GA89 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA89 |
| Eric Goranson | Iowa Association of Christian Schools | Supporting | 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 | Undecided | GA89 |
| Emily Piper | Iowa Association of School Boards | Supporting | GA89 |
| Phil Jeneary | Iowa Association of School Boards | Undecided | GA89 |
| Phil Jeneary | Iowa Association of School Boards | Supporting | GA89 |
| Larry Murphy | Iowa Catholic Conference | Supporting | GA89 |
| Meghan Malloy | Iowa Catholic Conference | Supporting | GA89 |
| Tom Chapman | Iowa Catholic Conference | Supporting | GA89 |
| Maddie Wilcox | Iowa Dept. of Public Health | Undecided | GA89 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Opposing | GA89 |
| Frederick Haskins | Iowa Insurance Associates | Undecided | GA89 |
| Frederick Haskins | Iowa Insurance Associates | Opposing | GA89 |
| Becky Tayler | Iowa Safe Schools | Undecided | GA89 |
| Damian Thompson | Iowa Safe Schools | Undecided | GA89 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA89 |
| Melissa Peterson | Iowa State Education Association | Undecided | GA89 |
| Morgan Miller | Iowa State Education Association | Opposing | GA89 |
| Morgan Miller | Iowa State Education Association | Undecided | GA89 |
| Mark Joyce | Personal Interest-Mark Joyce | Undecided | GA89 |
| Dave Daughton | Rural School Advocates of Iowa | Undecided | GA89 |
| Margaret Buckton | Rural School Advocates of Iowa | Undecided | GA89 |
| David Wilkerson | School Administrators of Iowa | Undecided | 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 | Undecided | GA89 |