"Identify who should wear cloth face coverings, and communicate the importance of wearing them," the CDC recommendations state.
The CDC suggestions clearly label the highest risk for students and staff as regular full-size classes and activities, with the lowest risk being online/virtual instruction.
Democrats said the President's public objections to the CDC education guidelines was regrettable.
"We should be listening to experts on how and when to reopen schools," said Rep. Gregory Meeks (D-NY). "Trump is telling Americans that preserving their health and safety is too 'tough & expensive.'"
The President's tweets came as New York City's Mayor announced that school would resume on a hybrid basis in September - with a combination of remote learning and regular school attendance - as kids would be at school no more than three days a week.