Great teacher. Sometimes doesnt explain stuff. Has an expecation of previous knowledge.
Amazing teacher, hard class. He sometimes doesnt explain stuff simply because he thinks we're all chem majors lol.
Mr. Piro is a great teacher and a model citizen. He is a fine christian example to the lexington/columbia community.
Instead of beating us with the yardstick, he'd rather scare us into submission by beating it on a desk.