These aerial photos show San Francisco's abandoned schools amid a 3-week 'shelter in place' to contain the coronavirus

San Francisco's 113 public schools were closed Monday for at least three weeks.

The closures affect the estimated 57,000 students of the city's public school system.

Source: NBC Bay Area

School officials and families are still figuring out how to enforce digital learning for students now that schools have closed.

"We will definitely need to readjust and lower the expectations for what learning in the classroom will mean if it's done remotely," Stephanie Li, a third-grade teacher at Frank McCoppin Elementary School, told ABC7News.

Source: ABC7News

The San Francisco Unified School District created a free Google Classroom web service for students to access learning materials.

There are more online learning resources for families on the school district website.

Source: The San Francisco Chronicle

For parents who work in essential services, the San Francisco Public Library and the Recreation and Park Department will serve as daycare centers for children.

Source: The San Francisco Chronicle

The school district will also provide kids whose families are in need with free meals starting next week.

Source: The San Francisco Chronicle

The city advises against playdates for children or taking them to playgrounds.

Other tips included entertaining children with "games, reading, puzzles, and TV/videos at home."

Source: The City and County of San Francisco