Illinois schools struggle to fill teaching vacancies. 1 district hires international teachers to meet the needs CNN By Adrienne Broaddus, CNN As another school year approaches, administrators nationwide are facing teacher shortages. Southwest of Chicago, Steven Wrobleski is worried. School starts August 11 and he still has openings at LaSalle Peru Township High School. “We currently have a chemistry physics teaching position that we have zero applicants for right now. I am really concerned about how we’re going to be able to fill that position,” Wrobleski said. “Where are we going to find science and math teachers? There is angst over, ‘Are we going to find people, quality people?'”