After going thru a thread of the graduation grade of the daughter of prophet T.B joshua graduating with 2.1 and also how people were posting the grade or CGPA requirement of different numbers, i decided to post what i know is obtainable in my school Gombe State University (GSU) which i believe is same all over here in nigeria, please nairalanders post yours with the name of your school if any difference..... below is mine.

0.00 - 0.99 = fail
1.00 - 1.49 =pass
1.50 - 2.39 =third class
2.40 - 3.49 =second class lower (2.2)
3.50 - 4.49 =second class upper (2.1)
4.50 - 5.00 =first class

below is the grading
mark grade point
70-100 A 5
60-69 B 4
50-59 C 3
45-49 D 2
40-44 E 1
0 -39 F 0

Below is a typical example
A student offering 3 papers
COURSE/CODE SCORE(%) GRADE POINT CREDIT(LOAD) GRADE-POINT-EARNED
GENS-101 60 B 4 X 2 = 8
ACCT-101 75 A 5 X 3 = 15
ECON-101 41 E 1 X 3 = 3
___ ____
8 26
THE GPA FOR THE SEMESTER IS (8+15+3) / (2+3+3)= 26/8= 3.25 = Second class lower(2.2)