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Computer Science (PHD) 
Program Description

The Ph.D. program is designed to provide students with advanced coursework and substantive research experience to prepare graduates to be the leaders in industry and academia. There is an emphasis on producing original work to present at conferences or published in peer-reviewed journals. Students who successfully complete the Ph.D. program go on to take leadership, entrepreneurial, and scholarly positions.


Department/Academic Unit(s)

Computer Science -

The Department of Computer Science offers programs leading to the Master of Science and the Doctor of Philosophy degrees with a major in computer science. The department's programs prepare graduate students for positions in the design and development of computer systems and applications in business and industry and for scientific positions in industrial or academic computing research. Areas of research interest within the department currently include algorithms (bioinformatics, geometric, graph), artificial intelligence (natural language processing, machine learning, vision), parallel, distributed, and high performance computing, programming languages and compilers, security, systems (operating systems, networking, storage, databases), and visualization and graphics.

College of Science  
Campus where offered
Main Campus - Tucson  
Admissions Contact
Chelsea L Skotnicki
Graduate Program Coordinator
Chelsea L Skotnicki
Director of Graduate Studies
John H Hartman
Graduate College Degree Counselor
Guadalupe Estrella
Tuition and Fees
Please refer to the UA Bursar's Office Tuition and Fees Calculator for up-to-date information about tuition and fees. 
Please refer to the UA Registrar's's Office Special Course Fees for up-to-date information about special course fees. 

Admissions Information

Admissions Requirements


Standardized Tests

Required - GRE General (all applicants) and TOEFL (international applicants; see alternative English proficiency exams and exemptions to this requirement here)

Note: Students who earn a UA BA/BS CS degree aren't required to submit GRE scores.

Financial Aid

Enrolled doctoral students making satisfactory progress are guaranteed funding for four years, with either a teaching or research assistantship. All assistantships carry competitive stipends as well as tuition waivers. Top applicants to our program may be granted an additional Graduate College Fellowship.

Admissions Deadlines

Domestic Applicants:

  • Fall: January 15 (available October 15)

International Applicants:

  • Fall: January 15 (available October 15)
International Conditional Admission
International applicants will not be considered for conditional admission by this program.
Other Information
The GRE Institution Code for The University of Arizona is 4832
ETS Major Field Code(s) for this program: 4832, 0401, 0402, 0499
NRC Taxon(a) for this program: Computer Sciences

Completion Requirements

Degree Requirements

Minor Requirements

PhD students must complete a minor. Students may select an internal minor in computer science or an external minor in another department. A minor program typically consists of 9 or more units of coursework. The minor department determines minor course work and the extent to which they participate in PhD examinations. The minor and course work must be approved by the student’s advisor. Minor courses must be completed before PhD students take the Comprehensive Exam.

Student Handbook  

Program StatisticsInformation about these numbers

Program-level Information
Application Acceptance Rate 32%
Med. Time-to-degree (years) 5.50
Department-level Information
Enrollment Percent Male 81%
Enrollment Percent Female 19%
Enrollment Percent International 57%
Enrollment Percent URM 7%

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Last revised 04 Oct 2019