| Melissa Speed | AFSCME Iowa Council 61 | Opposing | GA90 |
| Nathaniel Cunneen | American Federation for Children | Supporting | GA90 |
| Sandra Conlin | American Federation for Children | Supporting | GA90 |
| Drew Klein | Americans For Prosperity | Supporting | GA90 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA90 |
| Kate Walton | Area Education Agencies of Iowa | Undecided | GA90 |
| Madeleine Bradley | Area Education Agencies of Iowa | Undecided | GA90 |
| Matt Eide | Area Education Agencies of Iowa | Undecided | GA90 |
| Doug Struyk | ClassWallet | Supporting | GA90 |
| Jennifer Dorman | ClassWallet | Supporting | GA90 |
| Jim Carney | ClassWallet | Supporting | GA90 |
| Kelli Soyer | Common Good Iowa | Opposing | GA90 |
| Mike Owen | Common Good Iowa | Opposing | GA90 |
| Natalie Veldhouse | Common Good Iowa | Opposing | GA90 |
| Sheila Hansen | Common Good Iowa | Opposing | GA90 |
| Christopher Rants | Des Moines Public Schools | Opposing | GA90 |
| John Cacciatore | Des Moines Public Schools | Opposing | GA90 |
| Catherine Johnson | Disability Rights Iowa | Opposing | GA90 |
| Jake Highfill | EdChoice | Supporting | GA90 |
| Tony Phillips | EdChoice | Supporting | GA90 |
| Wendy Abrahamson | Episcopal Diocese of Iowa | Opposing | GA90 |
| Patrick Purtill | Faith & Freedom Coalition | Supporting | GA90 |
| Molly Severn | Governor's Office | Supporting | GA90 |
| Walter Rogers | Inspired Life | Supporting | GA90 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA90 |
| Lisa Cushatt | Iowa ACEs 360 | Opposing | GA90 |
| MaryNelle Trefz | Iowa ACEs 360 | Opposing | GA90 |
| BRITTANY LUMLEY | Iowa Advocates for Choice in Education | Supporting | GA90 |
| Courtney Craig | Iowa Advocates for Choice in Education | Supporting | GA90 |
| Jeffrey Boeyink | Iowa Advocates for Choice in Education | Supporting | GA90 |
| Eric Goranson | Iowa Association of Christian Schools | Supporting | GA90 |
| Emily Shields | Iowa Association of Community College Trustees | Undecided | GA90 |
| Jeff Smith | Iowa Association of Community College Trustees | Undecided | GA90 |
| Laurie Wolf | Iowa Association of Community College Trustees | Undecided | GA90 |
| Maggie Smith-Fitzgerald | Iowa Association of Community College Trustees | Undecided | GA90 |
| Matt Fitzgerald | Iowa Association of Community College Trustees | Undecided | GA90 |
| Emily Piper | Iowa Association of School Boards | Opposing | GA90 |
| Michelle Johnson | Iowa Association of School Boards | Opposing | GA90 |
| Larry Murphy | Iowa Catholic Conference | Supporting | GA90 |
| Sara Eide | Iowa Catholic Conference | Supporting | GA90 |
| Tom Chapman | Iowa Catholic Conference | Supporting | GA90 |
| Carlyn Crowe | Iowa Developmental Disabilities Council | Undecided | GA90 |
| Jeff Pitts | Iowa Faith and Freedom Coalition | Supporting | GA90 |
| R. Bruce Beeston | Iowa Faith and Freedom Coalition | Supporting | GA90 |
| Chelsea Hoye | Iowa Farmers Union | Opposing | GA90 |
| Threase Harms | Iowa Farmers Union | Opposing | GA90 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Opposing | GA90 |
| Christopher Rants | Iowa Retired School Personnel Association | Opposing | GA90 |
| John Cacciatore | Iowa Retired School Personnel Association | Opposing | GA90 |
| Becky Tayler | Iowa Safe Schools | Opposing | GA90 |
| Damian Thompson | Iowa Safe Schools | Opposing | GA90 |
| Michael Gronstal | Iowa State Building and Construction Trades | Opposing | GA90 |
| Kellie Paschke | Iowa State Education Association | Opposing | GA90 |
| Kelly Meyers | Iowa State Education Association | Opposing | GA90 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA90 |
| Morgan Miller | Iowa State Education Association | Opposing | GA90 |
| Troy Skinner | Iowa State Education Association | Opposing | GA90 |
| Mike Heller | Iowa Talented and Gifted Association | Opposing | GA90 |
| David Adelman | Iowans For School Choice | Supporting | GA90 |
| Frank Chiodo | Iowans For School Choice | Supporting | GA90 |
| Lillie Brady | Iowans For School Choice | Supporting | GA90 |
| Matt Hinch | Iowans For School Choice | Supporting | GA90 |
| Sara Allen | Iowans For School Choice | Supporting | GA90 |
| Chris Hagenow | Iowans for Tax Relief | Supporting | GA90 |
| Victoria Sinclair | Iowans for Tax Relief | Supporting | GA90 |
| Dylan Gramlich | Laborers International Union of North America | Opposing | GA90 |
| Kellie Paschke | Landus Cooperative | Undecided | GA90 |
| Kelly Meyers | Landus Cooperative | Undecided | GA90 |
| Troy Skinner | Landus Cooperative | Undecided | GA90 |
| Amy Campbell | League of Women Voters of Iowa | Opposing | GA90 |
| Craig Patterson | League of Women Voters of Iowa | Opposing | GA90 |
| Tony Phillips | National Alliance of Public Charter Schools | Supporting | GA90 |
| Logan Shine | Odyssey | Supporting | GA90 |
| Courtney Reyes | One Iowa | Opposing | GA90 |
| Keenan Crow | One Iowa | Opposing | GA90 |
| Courtney Reyes | One Iowa Action | Opposing | GA90 |
| Keenan Crow | One Iowa Action | Opposing | GA90 |
| Andy Conlin | Opportunity Solutions Project | Supporting | GA90 |
| John Butler | Protect My Innocence | Supporting | GA90 |
| Katherine Bogaards | Protect My Innocence | Supporting | GA90 |
| Rick Phillips | Protect My Innocence | Supporting | GA90 |
| Dave Daughton | Rural School Advocates of Iowa | Opposing | GA90 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA90 |
| Dave Daughton | School Administrators of Iowa | Opposing | GA90 |
| Chuck Hurley | The Family Leader | Supporting | GA90 |
| Danny Carroll | The Family Leader | Supporting | GA90 |
| Rebekah Oleson | The Family Leader | Supporting | GA90 |
| Ryan Benn | The Family Leader | Supporting | GA90 |
| Chuck Hurley | The Family Leader Foundation | Supporting | GA90 |
| Danny Carroll | The Family Leader Foundation | Supporting | GA90 |
| Rebekah Oleson | The Family Leader Foundation | Supporting | GA90 |
| Ryan Benn | The Family Leader Foundation | Supporting | GA90 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA90 |
| Andy Conlin | Yes. Every Kid. | Supporting | GA90 |
| Craig Hulse | Yes. Every Kid. | Supporting | GA90 |
| Marcus San Marino | Yes. Every Kid. | Supporting | GA90 |