Grading System in Tonga
Grading scales:
International Baccalaureate Diploma
| Grade | Scale | Grade Description | 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 | ||
| P | Passing | S | |
| 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 |