AB Ecology and Evolutionary Biology at Princeton University

Programme overview

In classrooms and laboratories, as well as at field sites around the world, a collaborative unraveling of the mysteries of how animals, plants and microbes function; how they interact with others and the physical environment; how they evolve; and how we can manage our biological heritage to achieve a sustainable future.

Department: Ecology and Evolutionary Biology | Study mode: full-time | Location: Princeton, NJ, United States

Official programme page

Application information

Entry requirements

Admission is to Princeton University as a whole; students apply to the University, not to individual departments or programmes, and choose a concentration after enrolling. Programme-specific admission requirements are not set.

USD 68,140 a year (2026-27). Undergraduate tuition for 2026-27 stated as one rate for all students (US and international alike); applies to all undergraduate degree programmes including AB and BSE; excludes housing ($13,010), food ($9,110), fees ($314) and other costs. Same rate stat Source

Entry term: fall. First-year applicants seeking fall 2027 entry apply via single-choice early action or regular decision; transfer applicants apply for fall entry.

First-year: Single-choice early action application due Nov. 1 (financial aid application Nov. 9, decision mid-December); regular decision application due Jan. 1 (financial aid application Feb. 1, decision late March); candidate's reply date May 1. Applications are submitted through the Common Application with the Princeton-specific Questions.

Transfer: application due March 1 through the Common Application with Princeton-specific Questions; financial aid application due March 9; decision mid-May; reply date late May.

Standardized testing: SAT or ACT is optional for first-year and transfer applicants seeking fall 2027 entry (2026-27 cycle); required beginning with the 2027-28 cycle for fall 2028 entry. Application fee or fee waiver is part of the application; Princeton-specific fee waiver is available to low-income and military applicants.

Apply through the official page: https://admission.princeton.edu/apply

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