Educators are worried that many students can no longer write essays without A.I. And it’s costing more than just grammar skills.

© Lauren Lancaster for The New York Times

As colleges and students embrace virtual classes, the ease of A.I. cheating is raising questions about the value of an online degree.

© Jay L. Clendenin/Getty Images

As colleges and students embrace virtual classes, the ease of A.I. cheating is raising questions about the value of an online degree.

© Jay L. Clendenin/Getty Images