Everyone’s reason is different, but here are some common ones that I’ve encountered. My own are included.
if you weren’t successful with the current application cycle.
Don’t let this discourage you. Depending on the type of program you’re looking for, a post-bacc could be a good plan B. Many people have received admission to medical school after completing & showing improvement with a post-bacc, so there is still hope for you.
if you do not feel adequately prepared to enter medical school without an introduction to the rigorous coursework.
This was one of my reasons & I’m glad I allowed myself the chance to explore this. By doing so, I felt I would be better preparing myself for when the opportunity came!
for academic enrichment.
For example, if you need extra coursework to redeem your academic record from undergrad (guilty!). This could also help you build a stronger foundation for the basic sciences.
if your MCAT score is lower than expected for the regular admission cycle, but meets post-bacc requirements.
Where one door closes, another one opens. There is more than one way to get into medical school. Don’t fall into the trap of assuming that all other paths are closed just because your MCAT score is not “good enough”.
if your MCAT score is lower than expected and you want to improve it.
Exposure to more science coursework can help you learn relevant MCAT material (especially for the Biology section). In general, doing a post-bacc can also help you gain better studying techniques before retaking the exam.