Differ from University to University. University like NTU, NUS require 2 years work experience & GMAT mandatory with 1st class degree. Entry requirements for undergraduates are 85% above. SAT is required for NTU & SMU. NUS doesn't require SAT. Private sector: undergraduate require. Postgraduate: first class degree is required.
University generally conducts admission process in the month of August and July. Polytechnic have July intakes running throughout the year. For private institutes you have to apply 3 months in advance before the actual intake.

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