Bachelor's degree in an appropriate science discipline from an accredited United States Institution or proof of equivalent training at an institution outside the United States
Cumulative grade point average (GPA) of not less than 3.0 in upper-division work (junior- and senior-level courses and in any graduate work already completed.
The formal Application for Admission to the University must be completed online. This must be received in Austin no later than the deadline date for the semester in which you seek admission.
Essay (3-5 paragraphs): - Tell us about your primary research interest and describe a question you would like to answer with your research. Include an explanation of your choice of faculty advisors (up to 3).
Three (3) Letters of Reference are required for each applicant. Complete the Reference section of the ApplyTexas application. Enter each recommender's name, valid e-mail address, and title. Give your recommenders plenty of lead time when requesting letters of recommendation. You must submit the online application before your recommenders can get the e-mail directing them to the online submission of letters of recommendation.
Transcripts: You must provide one copy of the academic transcript from every senior college you have attended. You may upload a copy of your transcript(s) after you have submitted your application for admission and paid the application fee. After you have submitted your application, you will recieve an email that contains a link to the Status Check web site where you will be able to upload your transcript(s). The uploaded transcript(s) is considered to be unofficial but will be used to process your application for admission. Please do not mail official tanscripts or paper copies of your transcripts before you are offered admission. Sending paper copies of documents you have uploaded will significantly delay the processing of your application.
Curriculum Vitae.
A grade-point average (GPA) of at least 3.0 (on a 4.0 scale) or a comparable GPA in upper-division workjunior- and senior-level coursesand in any graduate work already completed is also required.

TOEFL: 79 on the Internet-based test (iBT)
IELTS: An overall band of 6.5 on the Academic Examination