I'am 7th year in National University of Singapore（NUS）. We are required to complete IGCSE or equivalent as a prerequisite for admission and must obtain the score of C/6-4 in at least five subjects in order to be accepted by NUS.
In addition， we need to maintain an overall point average (GPA) of 20 out of 30 points on our academic transcript from our secondary school， in all IB level courses that were taken in the same semester(s) while completing the IGCSE exam， as well as one more course after completion of this examination which can help you with some elective credits towards your degree. The GPA will have been calculated based on final grades obtained so it does not matter if you had low scores in first few weeks just like me who still passed my exams due to hard work but got very high marks subsequently.
National university is known for its rigourous programme and no free pass system here but they do provide flexibility with respect to time spent on each subject depending upon how students wish to proceed through their undergraduate studies. You cannot take up an entire set of modules together because of certain limitations imposed regarding module sequencing within your major area. But what you can study depends greatly on whether you meet the entry requirements into particular degrees offered under the Faculty of Science， Arts & Social Sciences etc... There might also be other factors such as gender balance policy too.
