For the second time in five days, Pioneer Ridge Elementary School in the Weld RE-5J School District is facing grade-wide quarantines because of COVID-19.More than 200 students in the third, fourth and fifth grades from the Johnstown school are quarantined until Oct. 12 because of “multiple positive COVID-19 cases in students and families” according to a post on the district Facebook page Monday.Superintendent Leslie Arnold said early Tuesday afternoon 214 students and 15 staff members are affected by the latest quarantine in effect until October 5th.