International
US
9.0 - 10 (excelente)
A
7.0 - 8.9 (bom - good)
A
5.0 - 6.9 (regular)
B
3.0 - 4.9 (insuficiente)
C
0 - 2.9 (deficiente)
F
Notes
Grading scales may even vary within each institution, and grading is fairly severe. Top grades are awarded to few students, and the failure rate in a given course can be high. In a 10-0 system, 10 is the highest and 0 is the lowest.