Internet based TOEFL (IBTOEFL): 80, Paper based TOEFL (TOEFL): 550, International English Language Testing System (IELTS): 6.5.
The following minimum requirements must be met in order to submit an application, but meeting them does not guarantee admission:

A baccalaureate degree (master's for advanced master's applicants) from an accredited college/university.
An upper-division cumulative grade point average of at least 3.0 (on a 4.0 scale).
A recommended minimum GRE scores of: Verbal150, Quantitative150, Writing4.0.
Start the Graduate Application Portal process.
The following supporting documents must be submitted to the online application:

Resume or Curriculum Vitae
Purpose Statement: Be sure to state clear research objectives and provide information on faculty you would be interested in working with.
Three Letters of Recommendation (academic references strongly encouraged): Names and addresses of your recommenders should be entered in the appropriate section of the University Application. You should have already contacted your recommenders about writing letters on your behalf. Each of your recommendation providers must fill out an online recommendation form and upload a copy of the recommendation letter to the online application. Please Do NOT send letters to the School or agree to relay your own letters of recommendation.
The following supporting documents must be sent separately and cannot be uploaded to the online application:

One copy of all official transcripts sent to the Office of Admissions.
Official GRE scores
Recommended minimum scores: Verbal150, Quantitative150, Writing4.0.
Test scores must be from within 5 years of the time of application.
International applicants: TOEFL scores are required for students whose native language is not English.
Recommended minimum scores: Internet-based80, Paper-based550.
Test scores must be from within 5 years of the time of application.
International English Language Testing System (Academic IELTS): 6.5