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Successful completion of an undergraduate bachelors degree (or foreign equivalent) by the time of enrollment. A minimum undergraduate background includes three semesters of calculus, differential equations, linear algebra, three semesters of calculus-based physics, and two semesters of chemistry; additional mathematics, physics, and computer science courses are viewed favorably.

The GRE is not required to apply. We will not accept GRE scores.


International Students

International students must take the Test of English as a Foreign Language (TOEFL) and apply for a F-1 (not J-1) visa.


Application Deadlines

*** Updated July 15, 2020 ***

PLEASE NOTE: We acknowledge that there are some discrepancies between the dates listed on the AOSC Department Web Site, the online application system (Hobson’s) and the deadlines listed in the Graduate School Catalog. As a result, we are working on streamlining the dates to all systems. In the mean time, please adhere to the Department deadlines listed below.

Thanks for your patience!

To be eligible for a Fellowship or Assistantship, please apply by December 1, the final deadline for consideration is December 15.

For students who DO NOT require funding, the Fall deadline(s) are March 15, for International Applicants and July 15 for Domestic Applicants.

Spring Admission can be granted to advanced applicants by special permission. Please contact the Department for further details.


There is a $75 (USD) application fee.