Baylor University requires
one main essay through the Common Application, Coalition Application, or the Baylor application itself. There isn't a supplemental essay required by Baylor for *all* applicants. However, some *specific* programs or scholarships might have additional essay requirements.
Therefore, while you'll definitely need the main essay, always check the specific instructions for the program or scholarship you're applying to, as supplemental essays may be required in those cases. Look carefully at the application instructions for your chosen program of study at Baylor.