SUBEB-Approved Grading system for Nigerian Secondary Schools

What is SUBEB? 

SUBEB means State Universal Basic Education Board. It’s an offshoot of Federal Government’s Universal Basic Education (UBE) to enhance the efficiency of education standard in Nigeria.

So, all the 36 states plus FCT have their own education board to adequately implement education policies in their jurisdiction. SUBEB also have its grading system.

But first…

There are two grading systems used for students in Nigeria :

1. Grading System approved by the State Universal Basic Education Board, SUBEB

SUBEB grading system is used for students in the secondary schools (JSS 1-SSS3). This grading system depends on the score and performance of the students in internal examinations conducted by the school, or by the state.

This is SUBEB Approved grading system:The Grades, Definition, Interpretation

70% and Above- Excellent (A)

69-60%- Very Good (B)

59-50%- Good (C)

49-40%- Fair (D)

39-30%- Poor (E)

29-0%- Very Poor (F)

The above is the national grading system in Nigerian Secondary Schools.


Photo credit:vanguard

State Universal Primary Education Board (SUBEB), an offshoot of UBEC in the states, is established to address the inequality in educational opportunity at the basic level and improving the quality of its provision.

“The programme was introduced by the Federal government to remove distortions and inconsistencies in basic education delivery and reinforce the implementation of the National Policy on Education as well as to ensure access, equity and quality of basic education throughout the country.”

Adetoun, S., Kolawole, A. A., Ajibola, G (2011). An Evaluation of State Universal Basic Education Board (SUBEB) Libraries in Selected States in South-West Nigeria. 

2. West African Examination Council (WAEC) grading system

West African Senior School Certificate Examination (WASSCE) is a regional and standardized test in West Africa.

It is conducted by the West African Examinations Council. It is only offered to candidates residing in Anglophone West African countries.

The two examination conducted by WAEC are May/June; November/December.

WAEC is planning to conduct three exams per year, at the moment it’s two.

The latest grading system adopted WAEC in the African sub region including Nigeria are:

These are the Grades, Definition and Interpretation Equivalent approved by WAEC

A1 Excellent 75% – 100%

B2 Very Good 70% – 74%

B3 Good 65% – 69%

C4 Credit 60%- 64%

C5 Credit 55% – 59%

C6 Credit 50% – 54%

D7 good Pass 45% – 49%

E8 Pass 40% – 44%

F9 Fail 0% – 39%