The closures lasted only Monday, Jan. 11. âWeâre back!â declared a PUSD Facebook post Tuesday, Jan. 12. With the spread of COVID-19 accelerating, many districts around the West Valley closed classroomsâor kept them closedâwith online teaching only after winter break. âBenchmarkâ metrics on the spread of COVID-19 in communities updated Jan. 7 showed slight improvements in Glendale and Peoria, though ZIP codes in both cities remain âin the redâ with substantial spread of coronavirus. Peoria Unified was one of the few districts to keep classrooms open after the winter break. On Friday, Jan. 8, the Peoria Education Association announced a one-day âsick out.âÂ