South Euclid-Lyndhurst School District #1829 does not have a School District Income Tax (SDIT). If you live in that district, you should not be filing an SD100.
To verify if you live
in a school district or city with an income tax enter your address at:
http://www.tax.ohio.gov/Individual/LocalTaxInformation.aspx
Direct to ZIP + 4: https://thefinder.tax.ohio.gov/StreamlineSalesTaxWeb/ZipLookup/LookupByZip.aspx?taxType=taxsummary