Final answer:
The loan available to parents of undergraduate students, graduate students, or professional students to help pay for post-secondary education is a Direct PLUS Loan.
Step-by-step explanation:
The loan available to parents of undergraduate students, graduate students, or professional students to help pay for post-secondary education is a Direct PLUS Loan. It is an option for parents to borrow money to cover any education expenses not already covered by other financial aid. The Direct PLUS Loan is a federal loan program and is typically available at a fixed interest rate.
Learn more about Direct PLUS Loan for parents