Legal battles over President Biden’s various schemes to forgive student debt continue. In July, the Eighth Circuit Court of Appeals indefinitely blocked the administration’s ultra-generous new student-loan repayment plan, which could have cost taxpayers $475 billion. Additional loan-cancelation initiatives—also certain to face legal challenges—are in the works. But the high drama of loan cancelation has drawn attention away from a more pressing issue in the student-loan system. After the pandemic-induced student-loan payment pause ended last year, the Education Department implemented a one-year transition period to allow borrowers time to ease back into the habit of paying their loans. That so-called...