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STO Donors

Simply put, an STO allows donors to direct some of their state income tax to something they value - a Christian education.  Isaac Newton Christian Academy belongs to the Heart of Iowa STO. Here how it works:
Donors complete a simple form and make a donation to the Heart of Iowa STO
  1. The funds are distributed to qualifying Isaac Newton families based on income guidelines
  2. Donors receive a Tax Credit Certificate worth 75% of the gift from the STO in January of the following year and file it with their tax returns. (You can also take a 35% deduction on your federal income taxes!)
Isaac Newton's allotment for the 2024-2025 school year is $270,843. The new fundraising cycle for the 2024-2025 school year started January 1, 2025.  If you would like to donate or pledge an amount, download a donor form or contact Tracy King at

Tracy King
Director of Development
(319) 362-9512

(If you would like to see if your family qualifies for an STO scholarship at Isaac Newton, click here.)