Immunization requirements are going to vary based on your local laws, your school's policies, and if your school is public or private.

For example, here's who immunizations requirements apply to for college students in Massachusetts:

https://www.mass.gov/info-details/school-immunizations

>Requirements apply to all full-time undergraduate and graduate students under 30 years of age and all full- and part-time health science students. Meningococcal requirements apply to the group specified in the table below.

And New York

https://www.health.ny.gov/prevention/immunization/laws_regs....

>NYS Public Health Law Section 2165 and NYCRR Title 10, Subpart 66-2 require students attending post-secondary institutions, who were born on or after January 1, 1957 and registered for 6 or more credit hours, to demonstrate proof of immunity against measles, mumps, and rubella