Be sure you entered it correctly. For, Iowa, you enter at the "Do You Have Any Personal Adjustments?" screen. Select Yes at the bottom and the next page will have a field to enter College Savings Iowa, up to $3785 per Beneficiary (2023) $4028 for 2024).
Don't go by the "Refund Meter" at the top of your screen. It's not always accurate as you go along. At the end, check your actual forms for see if the deduction was applied.
