Is Purdue or Duke harder to get into?

Duke is much harder to get into than Purdue overall. Duke is one of the most selective private universities in the country, with a very small admit pool and a process that is highly competitive across essentially every major. Purdue is also selective, especially for popular programs like engineering, computer science, and flight, but it is not in the same admissions tier as Duke.

For a student aiming at Duke, the bar is extremely high across grades, course rigor, activities, recommendations, and essays. Duke is the kind of school where even applicants with top academics are often denied, because it is looking for a rare combination of academic strength, strong personal presentation, and distinctive impact outside the classroom. It is realistic to treat Duke as a reach for almost everyone.

Purdue fits a different kind of admissions picture. A student with strong grades in rigorous classes and a solid academic profile can be a credible applicant there, especially outside the most capacity-limited majors. The important nuance is that Purdue can become much tougher at the program level than people expect, so applying for engineering or computer science is meaningfully more competitive than applying to some other colleges within the university.

If you are building a list, it makes sense to think of Duke as a high-reach school and Purdue as a school that may range from realistic to moderately selective depending on your major. The two only really belong in the same conversation if someone is comparing name recognition or specific programs, not overall ease of admission.