(JTA) – One New York City private Jewish high school shut down Monday after two students in 11th grade and two students in 12th grade tested positive. Several students in the younger grades exhibited symptoms.

In a boys’ yeshiva high school in New Jersey’s Bergen County, a suspected COVID case in an 11th grader sent the entire grade home for quarantine.

In Long Island, approximately 15 to 20 families were asked by one school to quarantine after they were found to have attended a wedding of about 200 people.

“We spent a lot of time, energy and resources getting school ready for a full reopening...