Grading System for Preston Institute of Management Science and Technology

Letter-grade +/-

Post-secondary letter grades with +/-

Grade	US Grade
A+	A+
A	A
A-	A-
B+	B+
B	B
B-	B-
C+	C+
C	C
C-	C-
D+	D+
D	D
D-	D-
F	F

Preston University

Grade	Scale	Scale 2	US Grade
A	90.000 - 100.000	4.000	A+
B	80.000 - 89.000	3.000	A
C	70.000 - 79.000	2.000	B
D	60.000 - 69.000	1.000	C
F	0.000 - 59.000	0.000	F