Admissions·United States· 10 min read

How to Get Into Purdue University

A practical guide to Purdue University admission: the Common App, admission by declared major, the First-Year Engineering program at West Lafayette, deadlines, and how to change majors through CODO.

Last updated 7 July 2026

Key facts

Application system: Common App (West Lafayette or Indianapolis)
Admission basis: By declared major — fit and program space availability count
Engineering (West Lafayette): Apply to First-Year Engineering; specialty major chosen through Transition to Major after FYE
Deadlines: Fall opens Aug 1, closes Jan 15; Early Action recently Nov 1 — verify current dates
Verify at: Purdue Admissions (admissions.purdue.edu)

How Purdue admission is structured

Purdue University is a large public research university in West Lafayette, Indiana, known for engineering, computer science, agriculture, and the sciences. Its admission process has one defining trait: you apply by declared major, and your fit for that specific major is part of the review.

Purdue uses the Common App for first-year degree-seeking students, and you can apply to either its West Lafayette or Indianapolis location. Your application includes the Common App essay plus Purdue's own required questions.

Because admission is major-specific, space availability in your chosen program and your ability to succeed in it are genuine review factors. That is different from schools that admit you to the university first and let you pick a major later. Always confirm current requirements on Purdue's official admissions website.

Applies through the Common App (West Lafayette or Indianapolis)
Admission is by declared major — fit and space availability matter
Includes the Common App essay plus Purdue-specific questions

The First-Year Engineering program at West Lafayette

If you want to study engineering at West Lafayette, you do not apply to a specific engineering discipline as a first-year applicant. You apply to the First-Year Engineering (FYE) program. All engineering students there complete a common first-year engineering foundation, then transition into a specialty major (such as mechanical, electrical, or aeronautical engineering) through a formal Transition to Major process after completing FYE requirements.

This is a genuinely distinct mechanic. It means your initial admission is to engineering broadly, and the specialty-major placement happens after you arrive and complete FYE requirements. Note the contrast with Purdue's Indianapolis location, where engineering applicants are described as admitted directly to their major.

Purdue also notes that chemistry experience is expected for engineering applicants, so a solid chemistry background in high school supports an FYE application. Verify current course expectations on the official criteria page.

West Lafayette engineering = apply to First-Year Engineering (FYE), not a specific discipline
Specialty major (e.g., mechanical, electrical) is chosen through Transition to Major after completing FYE
Indianapolis engineering applicants are admitted directly to a major; chemistry experience expected

What Purdue reviews in your application

Purdue evaluates applicants individually, with weight given to your ability to succeed in your intended major. Published review factors include the quality of your academic coursework and grades — particularly in courses relevant to your major — curriculum strength, achievement trends, essays and Purdue's questions, and extracurricular involvement and leadership.

Purdue accepts SAT, ACT, or CLT scores and states no preference among them; when scores are submitted, you may use your highest section scores across test dates. Scores must be within the university's stated validity window (recently five years). Because testing policy can change, verify whether and how scores are used on the official criteria page.

Space availability in the desired program is explicitly part of the decision, which is why applying to a highly subscribed major raises the bar. Present a record and essays that show genuine, well-prepared interest in the major you choose.

Coursework and grades relevant to your major carry weight
SAT, ACT, or CLT accepted with no preference; highest section scores usable
Program space availability is part of the decision — verify current policy

Deadlines that shape your chances

Purdue's fall application generally opens August 1 and closes January 15. Two earlier dates matter a great deal. First, submitting a complete application by the November 1 Early Action deadline ensures full consideration for admission, merit-based scholarships, and the honors college. Second, engineering programs carry an earlier priority deadline (recently March 31 for certain steps), and highly subscribed majors reward applying early.

For Early Action to help, your whole file — including any test scores you send — needs to be complete by the deadline, not just started. If you are taking the SAT or ACT, Purdue suggests testing in the spring of your junior year so scores are ready for a November 1 submission.

Deadlines shift each cycle, so confirm the current dates for your major on Purdue's official application pages before you plan your timeline.

Fall application typically opens Aug 1, closes Jan 15
Early Action (recently Nov 1) = full consideration for admission, scholarships, honors
Engineering priority deadline (recently Mar 31) — verify current dates for your major

Changing majors later: the CODO process

Because Purdue admits by major, changing your major after you enroll happens through a formal process called Change of Degree Objective (CODO). You start by reaching out to your current academic advisor for guidance, meet the specific academic requirements set by the destination program, and apply — often after completing certain coursework.

CODO is not automatic. You must meet the major-change criteria for your target program, and those criteria vary by the catalog term you entered under. For engineering, students typically move into a specialty school after completing First-Year Engineering requirements, subject to those requirements.

The practical takeaway: choose your initial major thoughtfully rather than planning to switch into a competitive program later. If a switch is your goal, review the exact CODO requirements for your target program on Purdue's official pages, since requirements depend on the catalog term you enter under.

CODO = Change of Degree Objective, started with your academic advisor
You must meet the target program's major-change criteria, which vary by catalog term
Engineering specialty placement follows completion of FYE requirements

Your Purdue application game plan

Decide on your location (West Lafayette or Indianapolis) and your major first, because they change how you apply — especially for engineering, where West Lafayette means the First-Year Engineering route. Build a record and essays that show you are prepared for and genuinely interested in that major.

Aim for the Early Action deadline to unlock full scholarship and honors consideration, and watch for any earlier engineering priority dates. Take the SAT or ACT early if you plan to submit scores, and use your best section scores across dates.

International applicants should also complete Purdue's English-proficiency and credential requirements and check any additional international documentation. Confirm every deadline, fee, and requirement on the official Purdue admissions website before submitting.

Choose location and major early — engineering at West Lafayette = FYE route
Target Early Action for scholarships and honors; watch engineering priority dates
International applicants complete English-proficiency and credential requirements

Frequently asked questions

Does Purdue admit students by major?

Yes. Purdue admits first-year students to a declared major, and your fit for that major plus space availability in the program are part of the review. This differs from universities that admit you to the institution first. For West Lafayette engineering, you apply to the First-Year Engineering program rather than a specific discipline. Verify current details on Purdue's official admissions site.

What is First-Year Engineering (FYE) at Purdue West Lafayette?

At West Lafayette, engineering applicants are admitted to the First-Year Engineering program and complete a common engineering foundation before transitioning to a specialty major (such as mechanical or electrical) through a Transition to Major process after finishing FYE requirements. Purdue's Indianapolis location instead admits engineering applicants directly to a major. Chemistry experience is expected for engineering applicants.

When should I apply to Purdue?

Purdue's fall application typically opens August 1 and closes January 15. Submitting a complete application by the Early Action deadline (recently November 1) ensures full consideration for admission, merit scholarships, and the honors college. Engineering carries an earlier priority deadline. Confirm the current dates for your major on Purdue's official application pages.

Does Purdue require the SAT or ACT?

Purdue accepts SAT, ACT, or CLT scores with no stated preference, and when scores are submitted you can use your highest section scores across test dates. Whether scores are required can change by cycle, so verify the current testing policy on Purdue's official criteria page before deciding whether to submit.

Can I change my major at Purdue after I enroll?

Yes, through the Change of Degree Objective (CODO) process, started with your academic advisor. You must meet your target program's major-change criteria, which vary by the catalog term you entered under. Engineering students typically move into a specialty school after completing First-Year Engineering requirements. Choose your initial major carefully and review CODO rules on Purdue's official pages.

Official sources

This guide explains the process and is for guidance only. Eligibility, dates, fees and rules change every year — always confirm the current details on the official site before you act.

Verified against: Purdue — First-Year Admission Criteria; Purdue — Apply to Purdue; Purdue — Admissions Deadlines and Important Dates; Purdue — First-Year Engineering Program (West Lafayette); Purdue — CODO Requirements.

Last verified: 7 July 2026.