Students seeking admission to the Ph.D. program in physics must have a background equivalent to that attained by acquiring the B.S. degree in physics at NIU. Although applicants are not required to submit scores other than the GRE General Test score required for admission to the Graduate School, the submission of scores from the GRE Subject Test in physics could enhance their application. An applicant whose native language is not English must present an IELTS score of 6.5 or alternatively, a TOEFL score of at least 80 on the TOELF ibt. Normally, to be considered for admission, a non-U.S. citizen shall have completed a four-year undergraduate degree. A minimum 2.75 overall GPA on a 4.00 system or a 3.20 GPA with 15 or more semester hours of graduate work at an accredited institution.