Walker High School Principal Jason St. Pierre, Walker High Pro-Start Student Amber Stroughter, Papa John’s Representative Dan Murphy, and Livingston Parish Schools Career & Technical Supervisor Staci Polozola cut the ribbon for the on-campus location of the pizzeria.  The restaurant is operated by Pro-Start students, and it’s open from 3 p.m. to 8 p.m., Monday-Friday, and from 1 p.m. to 8 p.m. Saturday.