Also note that if someone (like an employer, a government program, or your parents' employers) reimburses your tuition costs, you can't claim them on your taxes. Don't worry about scholarships and bursaries, though—they don't count as reimbursement.
U.S. companies spend about $28 billion annually on educational assistance programs. However, only 2% of eligible employees take advantage of tuition assistance programs, and approximately 60% of working professionals are unaware of their employer's benefits.