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Of the 219 Public Diploma universities in the United States, Ohio State University - Columbus ranks highest at #190 in the QS World University Rankings 2026. Next come Ohio State University-Main Campus (QS World #190) and University of Pittsburgh-Titusville (QS World #281). The universities on this list offer 2,602 matching courses between them.
219 universities · ranked best first
how we rankPublic University · 3 courses in Diploma
Public University · 2 courses in Diploma
Public University · 1 course in Diploma
Public University · 1 course in Diploma
Public University · 9 courses in Diploma
Public University · 61 courses in Diploma
Public University · 63 courses in Diploma
Public University · 27 courses in Diploma
Public University · 12 courses in Diploma
Public University · 15 courses in Diploma
Public University · 2 courses in Diploma
Public University · 1 course in Diploma
Public University · 10 courses in Diploma
Public University · 3 courses in Diploma
Public University · 1 course in Diploma
Public University · 3 courses in Diploma
Public University · 4 courses in Diploma
Public University · 3 courses in Diploma
Public University · 12 courses in Diploma
Public University · 11 courses in Diploma
Public University · 7 courses in Diploma
Public University · 11 courses in Diploma
Public University · 1 course in Diploma
Public University · 1 course in Diploma
Universities at other levels
By university type
8 of these universities hold a QS World position, from #190 (Ohio State University - Columbus) to #545 (CUNY Queensborough Community College); they are listed first, in that order. Below them, universities follow their research output: University of Pittsburgh-Titusville is cited most (34,814,749 citations). 16 universities have neither a QS position nor a research record yet and appear at the end, marked "Not yet ranked".
219 are public and 0 private (100% public). By location, Ohio (1), Montana (1) and Oklahoma (1) account for the most of those we can place. Ohio State University-Main Campus is the largest, with 45,638 students.
The most common subjects are Medicine & Health Sciences (501), Engineering (393), Business & Management (360) and Computer Science & IT (207). The usual length is 2 years and 2 semesters. 97% are full-time and 61 can be studied online. Start dates lean to Fall (100% of courses with a stated intake) and Spring (99% of courses with a stated intake). Gateway Technical College offers the widest choice, with 67 of these courses.
We hold indicative fees for 3 of these universities. Southwestern Oklahoma State University is the least expensive at USD 8,499 a year and Ohio State University-Main Campus the most at USD 40,022; the middle of the range is about USD 33,671. Check each university's own fee page before you budget — figures change every year.
Ohio State University - Columbus (QS World #190), Ohio State University-Main Campus (QS World #190) and University of Pittsburgh-Titusville (QS World #281) lead this list. QS World positions come first; the rest are ranked by research impact.
Of those with published fees, Southwestern Oklahoma State University is the least expensive at about USD 8,499 a year. Fees are indicative — confirm on the university's site.
219 public and 0 private universities are on this list.
Most listed courses run 2 years, with 2 semesters the next most common.
Fall is the main intake — 100% of courses with a stated start date begin then, and Spring is the second.
61 of these courses are listed as online.
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