黑料正能量


Grading System in Tonga

Tonga 黑料正能量 calculator

Grading scales:



International Baccalaureate Diploma

Scale US Grade
6.00 - 7.00 A
5.00 - 5.99 B
4.00 - 4.99 C
3.00 - 3.99 D
1.00 - 2.99 F
0.00 - 0.99 F


Most Common

Scale Grade Description US Grade
1.00 - 1.99 Excellent A+
2.00 - 2.99 Very Good A
3.00 - 3.99 Good B+
4.00 - 4.99 Very Satisfactory B
5.00 - 5.99 Satisfactory B
6.00 - 6.99 Sufficient C+
7.00 - 9.00 Fair C



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