Grading System in Nigeria

Grading scales:

Most Common 5-point University West African Senior School Certificate (WASSCE) General Certificate of Education (GCE) National Examinations Council (NECO) Senior School Certificate University of Ilorin Auchi Polytechnic Babcock University Bayero University, Kano (Graduate Programs) Petroleum Training Institute Umaru Musa Yar'Adula University (Graduate) University of Ibadan 7-point University of Ibadan Postgraduate University of Ibadan Postgraduate (pre-2016/17)

Most Common

Grade	Scale	Grade Description	US Grade
A	70.00 - 100.00	First Class Honours (5)	A
AB	70.00 - 100.00		A
B	60.00 - 69.99	Second Class Honours, Upper (4)	B+
BC	60.00 - 69.99		B+
C	50.00 - 59.99	Second Class Honours, Lower (3)	B
CD	50.00 - 59.99		B
D	45.00 - 49.99	Third Class (2)	C+
E	40.00 - 44.99	Pass (1)	C
F	0.00 - 39.99		F

5-point University

University of Lagos

The Federal University of Technology

Grade	Scale	Scale 2	US Grade
A	70.00 - 100.00	5.00	A
B	60.00 - 69.00	4.00	AB
C	50.00 - 59.00	3.00	B
D	45.00 - 49.00	2.00	BC
E	40.00 - 44.00	1.00	C
F	0.00 - 39.00	0.00	F

West African Senior School Certificate (WASSCE)

West African School Certificate replaced the West African General Certificate of Education Ordinary and Advanced levels (GCE ‘O’ and ‘A’ levels) in 1989.

Grade	Scale	Grade Description	US Grade
A1	1.00 - 1.99	Excellent	A+
B2	2.00 - 2.99	Very Good	A
B3	3.00 - 3.99	Good	B
C4	4.00 - 4.99	Credit	B
C5	5.00 - 5.99	Credit	C
C6	6.00 - 6.99	Credit	C
D7	7.00 - 7.99	Pass	D
E8	8.00 - 8.99	Pass	D
F9	9.00	Fail	F

General Certificate of Education (GCE)

Grade	US Grade
A	A
B	B
C	B
D	C
E	C

National Examinations Council (NECO) Senior School Certificate

Grade	Grade Description	US Grade
A1	Excellent	A+
B2	Very Good	A
B3	Good	B
C4	Credit	B
C5	Credit	C
C6	Credit	C
D7	Pass	D
D/E8	Pass	D
F9	Fail	F

University of Ilorin

Grade	Scale	Scale 2	US Grade
A	70.00 - 100.00	5.00	A
B	60.00 - 69.99	4.00	AB
C	50.00 - 59.99	3.00	B
D	45.00 - 49.99	2.00	C
F	0.00 - 44.99	0.00	F

Auchi Polytechnic

Grade	Scale	US Grade
A	75.00 - 100.00	A
AB	70.00 - 74.00	AB
B	65.00 - 69.00	B+
BC	60.00 - 64.00	B
C	55.00 - 59.00	B-
CD	50.00 - 54.00	BC
D	45.00 - 49.00	C+
E	40.00 - 44.00	C
F	0.00 - 40.00	F

Babcock University

Grade	Scale	US Grade
A	80.00 - 100.00	A
B	60.00 - 79.00	B+
C	50.00 - 59.00	B
D	45.00 - 49.00	C+
E	40.00 - 44.00	C
F	0.00 - 39.00	F

Bayero University, Kano (Graduate Programs)

Master's and PhD programs (all others use Most Common scale)

Grade	Scale	US Grade
A	70.00 - 100.00	A
B+	65.00 - 69.00	A-
B	60.00 - 64.00	B+
C+	55.00 - 59.00	B
C	50.00 - 54.00	B
F	0.00 - 49.00	F

Petroleum Training Institute

Grade	Scale	US Grade
AA	80.00 - 100.00	A
A	75.00 - 79.00	A
AB	70.00 - 74.00	A
BB	65.00 - 69.00	B+
B	60.00 - 64.00	B+
BC	55.00 - 59.00	B
CC	50.00 - 54.00	B
C	45.00 - 49.00	C+
CD	40.00 - 44.00	C
DD	30.00 - 39.00	F
D	20.00 - 29.00	F
E	10.00 - 19.00	F
F	0.00 - 9.00	F

Umaru Musa Yar'Adula University (Graduate)

Graduate-level programs only. All others follow most-common scale

Grade	Scale	US Grade
A	70.00 - 100.00	A
B+	65.00 - 69.00	A-
B	60.00 - 64.00	B+
C+	55.00 - 59.00	B
C	50.00 - 54.00	B
D	45.00 - 49.00	C
F	0.00 - 44.00	F

University of Ibadan 7-point

Grade	Scale	Scale 2	US Grade
A	70.00 - 100.00	7.00	A
A-	65.00 - 69.00	6.00	A-
B+	60.00 - 64.00	5.00	B+
B	55.00 - 59.00	4.00	B
B-	50.00 - 54.00	3.00	B-
C+	45.00 - 49.00	2.00	C+
C	40.00 - 44.00	1.00	C
D	0.00 - 39.00	0.00	F

University of Ibadan Postgraduate

Grade	Scale	Grade Description	US Grade
A	70.00 - 100.00	Excellent	A
B	60.00 - 69.99	Very Good	AB
C	50.00 - 59.99	Good	B
D	45.00 - 49.99	Pass	C
E	40.00 - 44.99	Fail	F

University of Ibadan Postgraduate (pre-2016/17)

Scale	Grade Description	US Grade
60.00 - 100.00	Very Good	A
55.00 - 59.99	Good	AB
50.00 - 54.99	Pass	B
0.00 - 49.99		F