Reply A student receives the Pfizer vaccine during a pop-up COVID-19 clinic at Stagg High School in Palos Hills. (Stagg High School) Students flash their vaccination cards during a pop-up COVID-19 vaccine clinic at Stagg High School in Palos Hills. (Stagg High School) Students flash their vaccination cards during a pop-up COVID-19 vaccine clinic at Stagg High School in Palos Hills. (Stagg High School) PALOS HILLS, IL — Amos Alonzo Stagg High School students got jabbed Wednesday during a pop-up COVID-19 vaccine clinic for students and their families. CHSD Dist. 230 teamed up with Jewel-Osco Pharmacy to administer the Pfizer vaccine to students 16 years old and older. Students who had not yet turned 18 required a parent or guardian to sign a consent form.