As students return to the classroom Monday morning in the Philadelphia public school district, they will now have the option of wearing face masks instead of being mandated to. According to 6ABC, face masks are now optional but strongly encouraged where the district only required masks for the first 10 days of the school year. But according to the news outlet, district leaders are saying the mask mandate will return if the COVID-19 Community Level reaches the high level based on CDC standards. Masking may also be required in certain instances, like a school or classroom outbreak or after extended...