The deduction from gross income for tuition and fees expired at the end of 2017. As of the end of April 2019, it had not yet been extended for 2018 (or to 2019). Congress has indicated that it may still retroactively extend this deduction and other expired tax breaks. It is unlikely that Congress will act before the Fall of 2019. However, a taxpayer may be eligible for an education tax credit (American opportunity credit or lifetime learning credit) for the tuition. In fact, the credit may be more valuable than the deduction, so check!
A husband and wife who are required to live apart from each other by the terms of a decree of separate maintenance. Payments under the decree are deductible by the payor and taxable to the payee as alimony.