Crash course in teaching online courses for U.S. students

02:23

The school year has ended,or is about to end in the United States.

For many students the last three monthsof learningwas doneremotely becauseofthe coronavirus.

The outbreak triggered a crash course in a new wayofteaching.

The report card is out,and it was afailurefor many.

CGTN's Karina Huber has more.