Schools across the United States have been closed, most with little notice.
And many state and local officials are unsure when classes will resume.
Some could be closed for several more weeks or months.
In the state of Virginia, schools have been cancelled for the rest of the school year.
Al Jazeera’s Patty Culhane takes a look at what that means for families and students.
Correction 29/03/2019: Due to an editing error, the headline of a previous version of this article incorrectly stated that schools had been closed for the remainder of the year. The headline and article have been updated to clarify that some schools have closed for the rest of the school year.