1. IB Marks  Grade Marks
1= 32 2= 36 3= 40 4= 44 5= 48 6= 52 7= 56 8= 60 9= 64
10=68 11= 72 12= 76 13= 80 14= 84 15= 88 16= 92 17= 96 18= 100

2. IB Marks  Grade Marks
14 and below = = = = 50 18= 51 19= = = =66
25-26= = = = = = = = = 100

3. IB Marks  Grade Marks
1.5 or lower = 50 2 = = 54 3 = = 58 4 = = 62 5 = 64
5.5 = 66 6 = = 72 7 = = 80 8 = = 88 9 = = 96 10= 100