AB Astrophysical Sciences at Princeton University

Programme overview

A discipline for those who are fascinated by the prospect of contributing to the search for the universe's hidden secrets. Coursework and independent research on topics that range from planetary science to stars, galaxies, black holes, dark matter, cosmology, the early universe and more.

Department: Astrophysical Sciences | 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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