| Kate Walton | Area Education Agencies of Iowa | Undecided | GA89 |
| Matt Eide | Area Education Agencies of Iowa | Undecided | GA89 |
| Tom Lane | Area Education Agencies of Iowa | Undecided | GA89 |
| Hannah McDowell | Grow Clinton County | Undecided | GA89 |
| Nick Laning | Grow Clinton County | Undecided | GA89 |
| Threase Harms | Grow Clinton County | Undecided | GA89 |
| Emily Piper | Iowa Association of School Boards | Supporting | GA89 |
| Phil Jeneary | Iowa Association of School Boards | Supporting | GA89 |
| Don Petersen | Iowa Farm Bureau Federation | Opposing | GA89 |
| Kevin Kuhle | Iowa Farm Bureau Federation | Opposing | GA89 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Opposing | GA89 |
| Jim Obradovich | Iowa School Counselors Association | Undecided | GA89 |
| Robert Mulqueen | Iowa School Counselors Association | Undecided | GA89 |
| Jim Obradovich | Iowa School Social Workers Association | Undecided | GA89 |
| Robert Mulqueen | Iowa School Social Workers Association | 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 | Undecided | GA89 |
| Morgan Miller | Iowa State Education Association | Undecided | GA89 |
| Ernie Adkison | Iowans for Tax Relief | Opposing | GA89 |
| Victoria Sinclair | Iowans for Tax Relief | Opposing | GA89 |
| Cody Carlson | National Federation of Independent Business (NFIB /IA) | Opposing | GA89 |
| Dave Daughton | Rural School Advocates of Iowa | Supporting | GA89 |
| Margaret Buckton | Rural School Advocates of Iowa | Supporting | GA89 |
| David Wilkerson | School Administrators of Iowa | Supporting | GA89 |
| Margaret Buckton | Urban Education Network of Iowa | Undecided | GA89 |