You shouldn't owe in school taxes, unless your scholarships exceeded your educational expenses. There could be other reasons why you owed taxes, like:
You had additional income, received a bonus
You didn't have enough withholding
You had fewer deductions, you might not have contributed as much to your 401k
Your credits changed didn't pay child care this year, or one of your children aged out of the Child Tax Credit
You changed your filing status
You can access your personalized information in TurboTax, review your entries
Open or continue your return.
Select Federal in the left menu.
Choose Federal Review.
If after reviewing your information, you still have a balance, use the TurboTax W-4 Withholding Calculator tool. It'll help you find the right withholding so that you can better plan for your next tax return.