You enter it in the federal section. TurboTax will transfer it to the School District (SD) form.
In TurboTax (TT), enter at:
Federal Taxes Tab
Deductions & Credits
-Scroll down to:
--Estimates & other taxes paid
-Estimates
- On the next screen choose Local estimated taxes for 2018
-on the next screen click YES
-on the next screen, on the locality pull down list, scroll down to School District tax, OH