… hours. Roles like EMT, medical assistant, CNA, or phlebotomist are common pathways for gaining this experience. Step 2: Apply to PA School PA programs are typically 24 … competitive, and most programs participate in the Central Application Service for Physician Assistants (CASPA). What makes a strong PA school application? Solid … across multiple settings. At the MGH Institute of Health Professions—the only degree-granting affiliate of Mass General Brigham—PA students train alongside …