Grades 4 – 8 (all subjects):
A+ = 100-99% A = 98-95% A- = 94-93
B+ = 92-91% B = 90-87% B- = 86-85%
C+ = 84-83% C = 82-79% C- = 78-77%
D+ = 76-75% D = 74-71% D- = 70-69%
A+ = 100-99% A = 98-95% A- = 94-93
B+ = 92-91% B = 90-87% B- = 86-85%
C+ = 84-83% C = 82-79% C- = 78-77%
D+ = 76-75% D = 74-71% D- = 70-69%