Grading System in Iran

Most Common

Passing Grade 10

Grade	Scale	US Grade
A+	18.00 - 20.00	A+
A	17.00 - 17.99	A
B	14.00 - 16.99	B
C	12.00 - 13.99	C
D	10.00 - 11.99	D
F	0.00 - 9.99	F

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 II

Passing Grade 12

Grade	Scale	US Grade
A+	18.00 - 20.00	A+
A	17.00 - 17.99	A
B	14.00 - 16.99	B
C	12.00 - 13.99	C
F	0.00 - 11.99	F