IB: Students who are awarded the diploma must have an overall standing of four, with no course below a three. Diploma students are required to present three Higher level subjects and three Subsidiary level subjects in order to be eligible for transfer credits. High School admission average is based on a calculation of the average grade of five required grade 12 courses. For admission from a GCE system (or equivalent) a minimum of two Advanced (A) level subjects and three Ordinary (O) level subjects, must be completed with an overall grade point average of C or higher in order to be considered for admission. All A level subjects presented for admission must have a grade of at least C. Students may substitute two Advanced-Subsidiary (AS) level subjects for one A-level. TOEFL (Test of English as a Foreign Language) score of 90 or higher in the internet-based test, with not less than 20 in each of the Reading, Listening, Writing or Speaking components, score of at least 230 in the computer-based test or at least 570 in the paper-based test, IELTS (International English Language Testing System) Academic score of at least 6.5 overall, with not less than 6.0 in any of the four modules