* Instruction: Salaries for professors, teaching assistants, and other instructional staff.
* Facilities: Maintenance and upkeep of buildings, classrooms, laboratories, libraries, and other campus infrastructure.
* Student Services: Financial aid administration, career services, health services, counseling, recreational facilities, and other support services.
* Administration: Costs associated with running the university, including administrative staff salaries and operational expenses.
* Research: Support for faculty research and related activities.
Essentially, your tuition payment contributed to the overall funding of your education and the operation of Penn State University.