About Computer Science at Purdue University
Computer science covers algorithms, programming, systems, artificial intelligence, machine learning, data and cyber security, and leads to careers in software, AI, research and technology start-ups.
At Purdue University (QS World University Rankings 2026: #88) in West Lafayette, Computer Science is one of the subject areas international students choose most. Purdue in West Lafayette, Indiana, is one of the top public universities for engineering and is often called the ‘Cradle of Astronauts’ because of its many astronaut alumni, including Neil Armstrong..
Degree levels for Computer Science
- Bachelor’s — typical length in the US: 4 years
- Master’s — typical length in the US: 1–2 years
- PhD — typical length in the US: usually 5–6 years
Program names, specialisations and exact length differ by department — check the official program page before applying.
Admission requirements for Computer Science at Purdue
- Bachelor’s: apply through the Common App with transcripts, essays, recommendations and English scores.
- Master’s / PhD: a relevant bachelor’s degree, statement of purpose, recommendations, CV and English scores; some programs ask for the GRE. PhD applicants should show research experience and interests.
- English: TOEFL iBT around 80–100 or IELTS Academic 6.5–7.0 (requirements vary by program).
Fees and funding
University tuition (undergraduate, university-wide): Approx. $28,000 – $36,000 per year (international undergraduate tuition and fees; varies by program). Graduate and professional fees for Computer Science are set separately by the school. PhD students are usually funded through fellowships and teaching or research assistantships. Limited merit scholarships for international undergraduates; graduate students can apply for teaching and research assistantships.
Careers and work after graduation
F-1 graduates can apply for up to 12 months of OPT. Most Computer Science degrees are STEM-designated, so graduates are often eligible for the 24-month STEM OPT extension.
Apply for Computer Science at Purdue with GIEC Global
GIEC Global offers free counselling, program shortlisting, SOP guidance, application support and F-1 visa assistance for Computer Science at Purdue University.