Biden's student-loan forgiveness is about to have its day at the Supreme Court. Here's everything you need to know.

• The Supreme Court will hear two challenges to Biden's student-debt-relief plan on Tuesday.
• The court's decision will determine if millions of borrowers will get up to $20,000 in loan forgiveness.
• Here's everything you need to know about the cases and what's at stake for borrowers.

Alexandria Mavin believes student-loan forgiveness is long overdue.

Mavin, who had borrowed  $117,000 in student loans by the time she graduated from college in 2013, has paid back $70,000, but she still owes $90,000 because of surging interest rates. It's an example of the crushing burden many borrowers face — and it's time for relief, Mavin previously told Insider.