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Princeton University TOEFL Requirements (2026)

Gabble Team··4 min read

Princeton University accepts TOEFL iBT for English proficiency across its graduate programmes. Princeton's graduate offering is focused — doctoral and master's programmes across sciences, engineering, humanities, social sciences, and public policy — with no separate professional schools for medicine, law, or business.


Does Princeton Accept TOEFL?

Yes. Princeton University accepts TOEFL iBT for all graduate programmes. IELTS Academic is also accepted as an alternative.

TOEFL MyBest Scores: Princeton's Graduate School does not accept TOEFL MyBest. A score from a single valid sitting is required.

Undergraduate note: Princeton does not require TOEFL for most undergraduate applicants whose primary language of instruction has been English throughout secondary school.


Princeton TOEFL Requirements — Graduate

Princeton Graduate School (General)

RequirementDetail
Minimum TOEFL100 iBT
Per-section minimumNo published floor below 18
Competitive score107–120
NotesIndividual departments may expect higher scores

Sciences and Engineering

DepartmentMinimum TOEFLCompetitive Score
Computer Science (PhD)100107–120
Mathematics (PhD)100107–115
Physics (PhD)100107–115
Chemistry (PhD)100100–115
Engineering (all disciplines, PhD)100100–115

Humanities

DepartmentMinimum TOEFLCompetitive Score
English (PhD)100113–120
History (PhD)100113–120
Comparative Literature (PhD)100113–120
Philosophy (PhD)100107–120

Humanities PhDs at Princeton are among the most writing-intensive doctoral programmes anywhere. Competitive admitted students routinely score 113–120 across all four sections.


Social Sciences

DepartmentMinimum TOEFLCompetitive Score
Economics (PhD)100107–120
Politics (PhD)100107–120
Sociology (PhD)100107–115
Psychology and Neuroscience (PhD)100104–115

Princeton School of Public and International Affairs (SPIA)

ProgrammeMinimum TOEFLCompetitive Score
MPA100109–120
MPP100109–120
PhD in Public Affairs100109–120

SPIA is one of the world's leading public policy institutions. The MPA and MPP seminars are debate-intensive and require exceptional verbal and written communication. A 100 minimum understates the practical competitive score of admitted students.


Princeton Undergraduate (AB and BSE)

RequirementDetail
Formal TOEFL minimumNone stated
Competitive score110–120
NotesExemption if primary/secondary schooling was in English

Princeton TOEFL — Summary Table

Programme AreaMin TOEFLCompetitive Score
UndergraduateNone stated110–120
Sciences/Engineering (PhD)100100–115
Humanities (PhD)100113–120
Social Sciences (PhD)100107–120
SPIA (MPA/MPP/PhD)100109–120

TOEFL Per-Section Strategy for Princeton

Writing (target 25–30)

Princeton's seminars and research programmes produce constant written output. A Writing score below 22 is a concern for any graduate programme. For Humanities PhDs, Writing 27+ is typical among admitted students.

Target: Writing 25+ for all graduate programmes; 27+ for Humanities and SPIA.

Speaking (target 24–30)

Princeton's seminar model requires verbal participation from week one. SPIA's policy debates and Humanities' colloquia depend on oral argumentation. Speaking 24+ is the minimum competitive standard.

Reading and Listening (target 27–30)

Both sections should be strong. Princeton does not publish per-section floors but a score below 24 in either would stand out in a competitive pool.


Score Validity at Princeton

TOEFL scores are valid for two years. Princeton's graduate application deadlines typically fall in December for autumn admission.


TOEFL vs. IELTS for Princeton

Princeton accepts both equally. No preference is expressed.


Common Mistakes Princeton TOEFL Applicants Make

Meeting the 100 minimum and assuming it's competitive. Princeton's 100 minimum is an eligibility floor. For SPIA MPA and Humanities PhDs, the competitive submitted score is 109–120. A 100 positions you at the bottom of the distribution.

Weak Writing for Humanities applications. Princeton's English and History doctoral programmes require the ability to write at a level close to publishable academic output. Writing 22 alongside a 100 overall will be noticed.

Not checking the single-sitting requirement. Princeton does not accept TOEFL MyBest. Submitting a superscored result will result in an invalid application.


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