In-person learning increasing at Polk schools, with more on the way BARTOW — Polk County has seen the number of pediatric COVID patients rise by 356 in five days, from a total of 4,427 children younger than 18 contracting the virus by Jan. 5 to 4,783 reported on Jan. 10 — the first week back from winter break. The increase comes as more students opt to return to on-campus learning. Records provided by Polk County Public Schools show there was an increase last week in the number of students whose parents opted to send them to on-campus school to 72,958 students, up fromÂ...