Grading System for Monterrey Institute of Technology and Higher Education

Secondary/Tertiary with 6 or 60 as passing

Grade	Scale	Scale 2	Grade Description	US Grade	Notes
MB	90.000 - 100.000	9.000 - 10.000	Excellent/Very Good (Excelente/Muy Bien)	A
B	80.000 - 89.990	8.000 - 8.990	Good (Bien)	B
S	60.000 - 79.990	6.000 - 7.990	Sufficient (Suficiente)	C
AC			Accredited (Acreditada)	S
NA	0.000 - 59.990	0.000 - 5.990	Fail (Reprobado)	F	Usually marked as NA or N/A.

USA Most Common

You can enter either letter grades (A, B, etc.) or grade points directly (on a 4.0, 4.3, or 4.5-point scale).

Grade	Scale	Grade Description	US Grade
A+		4.0 or higher	A+
A	90.000 - 100.000	4.0	A
A-		3.7	A-
AB		3.5	AB
B+		3.3	B+
B	80.000 - 89.990	3.0	B
B-		2.7	B-
BC		2.5	BC
C+		2.3	C+
C	70.000 - 79.990	2.0	C
C-		1.7	C-
CD		1.5	CD
D+		1.3	D+
D	60.000 - 69.990	1.0	D
D-		0.7	D-
-		0.5	-
F	0.000 - 59.990	0.0	F
P		Pass	P
S		Satisfactory	S
CR		Credit	CR
-		-	-

Secondary/Tertiary with 7 or 70 as passing

Scale	Scale 2	Grade Description	US Grade	Notes
90.000 - 100.000	9.000 - 10.000	Excellent/Very Good (Excelente/Muy Bien)	A
80.000 - 89.000	8.000 - 8.900	Good (Bien)	B
70.000 - 79.000	7.000 - 7.900	Average/Sufficient (Regular/Suficiente)	C
0.000 - 69.000	0.000 - 6.900	Not Accredited/Fail (No Acreditada/Reprobado)	F	Usually marked as NA or N/A.

Tertiary/Post Graduate with 8 or 80 as passing

Scale	Scale 2	Grade Description	US Grade	Notes
90.000 - 100.000	9.000 - 10.000	Excellent/Very Good (Excelente/Muy Bien)	A
80.000 - 89.000	8.000 - 8.900	Good (Bien)	B
0.000 - 79.000	0.000 - 7.900	Not Accredited/Fail (No Acreditada/Reprobado)	F	Usually marked as NA or N/A.