The parent of a child in a Jewish North Miami Beach day school has been arrested after threatening to burn the school to the ground over its mask policy. Mark Polyakov’s son is a student at the Scheck Hillel Community School, which requires its sudents to wear masks indoors and outdoors. In early February, Mark had enough of the school’s mask policy and began making threats against the school on a parent chat. “You should of told that board member go [expletive] yourself we will leave and burn hillel down to the ground that’s why there rankings have steadily gone...