my score is 288 in revised GRE,percent in academics is 65% and i got 73 in TOEFL.
i had applied for fall 2012 in these universities.
1.texas a&m commerce
2.oklahoma city univ
3.north western polytechnique univ
4.univ of central missouri

Can i get i20 from the above universities

If not i will retake the test and please advice within how many days should i retake.I am planning to take test on May 12th. Is this time sufficient for Fall 2012 admission.
please advice me