PA school is a graduate-level medical education program that trains physician assistants to diagnose illness, develop treatment plans, and prescribe medication. Most programs run about 27 months and award a master’s degree, making it one of the faster paths into clinical medicine compared to the four-year medical school route. Graduates sit for a national certification exam and can practice in virtually every medical specialty.
How Long PA School Takes
The average PA program is 27 months, split into two distinct phases: a didactic (classroom) year and a clinical year. During the didactic phase, you study the same core medical sciences that medical students learn, including anatomy, physiology, pharmacology, and pathophysiology. Most programs teach these subjects using an organ-system approach, meaning you’ll study the cardiovascular system, for example, by covering its anatomy, diseases, and treatments all together rather than in separate courses.
The clinical year puts you in hospitals and clinics for hands-on training. You’ll complete roughly 2,000 supervised clinical hours across a series of rotations, each typically four weeks long. Some programs require 11 rotations total, with seven in core specialties and four in electives you choose based on your interests. Many programs also require a master’s capstone project during this phase.
Required Clinical Rotations
Every accredited PA program must provide clinical training in seven core areas, as set by the Accreditation Review Commission on Education for the Physician Assistant (ARC-PA):
- Family medicine
- Emergency medicine, including emergent care
- Internal medicine, including care of elderly patients
- Surgery, covering pre-operative, intra-operative, and post-operative care
- Pediatrics, from infants through adolescents
- Women’s health, including prenatal and gynecologic care
- Behavioral and mental health care
Beyond these mandatory rotations, most programs offer elective slots in areas like orthopedics, dermatology, cardiology, or hospitalist medicine. These electives let you explore specialties you might want to practice in after graduation.
What You Need to Get In
PA school admissions weigh three things heavily: your academic record, your hands-on patient care experience, and your prerequisite coursework.
Most programs require a bachelor’s degree with a set of science prerequisites. A typical list, drawn from Tufts University’s requirements, includes two semesters each of human anatomy and physiology, general biology with lab, and general chemistry with lab, plus one semester of microbiology with lab and one semester of statistics. Programs vary, so always check individual requirements, but this combination covers the majority.
GPA expectations are competitive. A 3.0 science GPA is often the stated minimum, but competitive applicants typically need higher. Tufts, for instance, lists 3.0 as the floor for science and prerequisite GPAs but recommends an overall GPA of at least 3.4.
Direct patient care experience is the other critical piece. Most programs require between 1,000 and 4,000 hours of hands-on clinical work before you apply. Common qualifying roles include EMT, paramedic, medical assistant, phlebotomist, certified nursing assistant, and emergency department technician. Some programs specifically require that these hours come from paid positions rather than volunteer work.
The Application Process
Nearly all PA programs use a centralized application system called CASPA, run by the PA Education Association. Rather than filling out separate applications for each school, you submit one CASPA profile containing your transcripts, personal statement, clinical experience logs, and letters of recommendation. Individual programs then receive your application and may ask for supplemental materials.
Deadlines vary widely. Programs choose from 10 possible deadline dates spread across the year, ranging from as early as June 15 to as late as April 1. Because many programs use rolling admissions, applying earlier in the cycle generally improves your chances. After your application clears initial review, most schools invite competitive applicants for an interview before making final admissions decisions.
The Degree You Earn
PA school awards a master’s degree, which is currently considered the terminal degree for the profession. There has been periodic debate about whether PAs should transition to an entry-level doctorate, similar to what physical therapy and pharmacy did. In 2009, the PA Education Association and the American Academy of PAs held a summit on this question and endorsed the master’s degree as the appropriate entry-level credential. While the topic resurfaces occasionally, no professional organization has changed that stance.
Certification After Graduation
After completing your program, you must pass the Physician Assistant National Certifying Examination (PANCE) to earn your certification and become eligible for state licensure. The exam is administered by the National Commission on Certification of Physician Assistants. The most recent first-time pass rate, from 2025, is 91.5%, which means the vast majority of graduates from accredited programs pass on their first attempt. Once certified, PAs must maintain their credential through ongoing continuing education and periodic recertification exams.
How PA School Compares to Medical School
PA programs and medical schools teach using the same medical model, a science-based approach to diagnosing and treating disease through physiology and pathophysiology. The core difference is depth and duration. Medical school spans four years and includes 5,000 to 6,000 supervised clinical hours. PA school averages 27 months with roughly 2,000 clinical hours. After medical school, physicians must also complete a residency lasting three to seven years before practicing independently. PAs can begin practicing immediately after passing their certification exam.
That difference in training time translates to a difference in scope. PAs are trained to work collaboratively with physicians, and while the specifics vary by state, most PAs practice with some degree of physician oversight. The tradeoff is straightforward: medical school plus residency means a longer path with more autonomy at the end, while PA school offers a faster entry into clinical practice with a broad but slightly more bounded scope.
Put in concrete terms, a PA can go from starting their program to seeing patients in just over two years. A physician following the traditional path won’t reach that point for seven years at minimum. For people who want to practice clinical medicine without committing to a decade of training, PA school is one of the most direct routes available.