A university is a postsecondary institution that offers both undergraduate and graduate degree programs, typically across a wide range of academic disciplines. Unlike smaller colleges that may focus primarily on bachelor’s degrees, universities grant degrees at multiple levels, from bachelor’s through master’s and doctoral programs, and they usually maintain active research operations alongside their teaching mission.
How Universities Are Structured
Most universities are organized into smaller divisions, each called a college or school. A single university might contain a college of engineering, a college of business, a school of education, a school of law, and a medical school, all under one institutional umbrella. Within each college, academic departments handle specific subjects. The chemistry department sits inside the college of sciences, for example, while the finance department belongs to the college of business.
This structure lets universities cover an enormous range of subjects while keeping each program focused. When you enroll at a university, you’re typically admitted to one of these internal colleges based on your intended major, though switching between them is usually possible.
Universities also tend to require a core curriculum for undergraduates. Before you dive into your major, you’ll take general education courses across several disciplines: writing, math, natural sciences, social sciences, and humanities. The idea is to produce graduates with broad knowledge, not just technical training in one field.
Degrees Universities Award
The defining feature of a university is the range of credentials it can grant. The standard hierarchy looks like this:
- Bachelor’s degrees (typically four years of full-time study), including the Bachelor of Arts and Bachelor of Science
- Master’s degrees (one to three years beyond the bachelor’s), such as the Master of Business Administration or Master of Science
- Doctoral degrees (three to seven years beyond the master’s or bachelor’s), including the Ph.D., Ed.D., M.D., J.D. (law), and D.D.S. (dentistry)
Some universities also grant associate’s degrees (two-year programs) and professional certificates, though these are more commonly associated with community colleges. The ability to offer graduate and professional degrees is what separates a university from most colleges in practical terms.
How Universities Differ From Colleges
The words “college” and “university” are sometimes used interchangeably in casual conversation, but they describe different types of institutions. Colleges tend to be smaller, with fewer degree options and a focus on undergraduate education. Liberal arts colleges, for instance, emphasize broad academic exploration across the humanities, sciences, and social sciences rather than early specialization. Community colleges are two-year institutions that grant associate’s degrees and career-focused certificates.
Universities are generally larger, offer more majors, and provide graduate programs that colleges don’t. Their size also means more research opportunities. Faculty at universities often split their time between teaching and conducting research, and students, especially at the graduate level, can participate directly in that work. The tradeoff is that class sizes at universities, particularly in introductory courses, tend to be bigger than what you’d find at a small college.
Public, Private, and For-Profit Universities
Universities fall into three broad categories based on how they’re funded and governed.
Public universities are created and partially funded by state governments. They typically charge lower tuition to residents of their home state and receive direct appropriations from the state legislature. Because they operate as government entities, public universities are subject to constitutional requirements like free speech protections for students and faculty. State flagship universities, the large research institutions most people picture when they think of a public university, fall into this category.
Private nonprofit universities are funded through tuition, donations, endowment income, and research grants rather than state appropriations. Their tuition is the same regardless of where a student lives. Federal student loans, Pell Grants, and tuition tax credits play a significant role in making these schools financially accessible. Private universities also benefit from tax-deductible donations that fund buildings and programs, property tax exemptions on their campuses, and federal research grants that include funding for overhead costs. Endowment investments grow tax-free in most cases, giving well-funded private universities a substantial financial base. As private institutions, they have more latitude in setting their own policies around admissions, curriculum, and campus conduct.
For-profit universities operate as businesses. They generate revenue primarily from tuition, with a large share of that coming through federal financial aid programs. These institutions often focus on career-oriented programs and online delivery, though they’ve faced scrutiny over graduation rates, student debt loads, and the job market value of their degrees.
Research as a Core Mission
Teaching is only part of what universities do. Research is a central purpose, especially at larger institutions. Faculty members pursue original scholarship, whether that means running laboratory experiments, analyzing economic data, conducting clinical trials, or producing new work in the humanities. Federal agencies fund a significant share of this research through competitive grants.
For students, the research mission creates opportunities that smaller schools can’t easily match. Undergraduates can work in faculty labs, graduate students conduct research as part of their degree requirements, and doctoral candidates are expected to produce original contributions to their field. The infrastructure supporting this work, including libraries, laboratories, computing resources, and specialized equipment, is a major part of what makes a university a university.
What University Life Looks Like
Day-to-day life at a university varies widely depending on its size, location, and culture. A large public research university might enroll 40,000 or 50,000 students across dozens of programs, with introductory lecture halls seating hundreds. A smaller private university might have 5,000 students and a more intimate campus feel. Both are universities because of the degrees they offer and the research they conduct, not because of their size alone.
Most universities provide housing, dining, athletics, student organizations, career services, health centers, and counseling. Residential campuses are designed so students can live, study, and socialize in one place, though many students at public universities commute. Graduate and professional students often have a different experience from undergraduates, spending more time in labs, clinics, or seminar rooms and less time in large lecture courses.
The cost of attending a university ranges enormously. Published tuition at public universities for in-state students can be a fraction of what private universities charge, though financial aid, scholarships, and grants can close that gap significantly. Graduate programs in fields like business and law carry their own price tags, while many doctoral programs in the sciences and humanities waive tuition and provide stipends in exchange for research or teaching work.

