More than 43 million student borrowers are in debt with an average of $39,351 each, according to the research group EducationData.org. If you have student loan debt, you may wonder if you can deduct the interest you pay. The answer is yes, subject to certain limits. However, the deduction is phased out if your adjusted gross income exceeds certain levels — and they aren’t as high as the income levels for many other deductions. Basics of the deduction The maximum amount of student loan interest you can deduct each year is $2,500. The interest must be for a “qualified education loan,” which means a debt incurred to pay tuition, room and board, and related expenses to attend a post-high school educational institution, including certain vocational schools. Post-graduate...