Ohio School District Income Tax is a separate tax imposed by individual school districts on the income of people who live within district boundaries. It is distinct from Ohio’s state income tax, has its own rates and rules, and is reported on Ohio Form SD 100. More than 200 Ohio school districts currently levy this tax, which voters approve to fund local schools.
What Is the School District Income Tax?
Unlike the state income tax, which applies statewide, the school district income tax applies only if you live in a taxing district. Each district sets its own rate, and the tax is calculated on your Ohio taxable income. If you live in a district without this tax, you owe nothing — but confirm your district’s status each year, as voters may approve new levies.
How to Check If Your District Levies the Tax
Use ‘The Finder,’ the Ohio Department of Taxation’s online lookup tool at tax.ohio.gov. Enter your home address and The Finder will show your school district, its income tax rate (if any), and your municipal tax details. Your district’s status can change, so check each year before you file.
The SD-100 Form: Who Must File
Form SD 100 is Ohio’s School District Income Tax Return. You must file it if you lived in a taxing school district for any part of the year — even if you owe no state income tax, had no withholding, or are not required to file a federal return. Part-year residents file for the portion of the year they lived in the district.
You do not need to file Form SD 100 if you did not live in a taxing district at any time during the year.
Where to Find Your District’s Tax Rate
Each taxing district sets its own rate, typically between 0.5% and 2%. The Ohio Department of Taxation publishes current school district tax rates, and The Finder (tax.ohio.gov) shows the rate for any address. Your employer may withhold school district tax if you live in a taxing district — check your pay stub.
How Filing Works
File Form SD 100 by the April 15 deadline (the same as the state return). You can file electronically through the Department of Taxation’s OH|TAX eServices or by mail. The tax is calculated on your Ohio income for the period you were a district resident. If you moved into or out of a taxing district during the year, you generally owe tax only for the months you lived there.
Estimated payments may be required if you expect to owe more than $500 in school district tax and your withholding will not cover it.
School District Tax FAQs
Do I owe school district tax if I work in a different district? No — the tax is based on where you live, not where you work. I moved mid-year. Do I file for both districts? File Form SD 100 for each taxing district you lived in, reporting only the income earned while a resident of each. What if my employer didn’t withhold the tax? You are still responsible for the full amount. Ask your employer to begin withholding, or make estimated payments.
Legal Disclaimer
This guide is for educational purposes only and does not constitute tax, legal, or financial advice. School district tax rules and rates change; verify current requirements with the Ohio Department of Taxation (tax.ohio.gov) or a qualified tax professional before filing.