Are You Worried That Your O Level Result May Expire? - Read This

Some many students have been wondering if their
O'level results have an expiry date just like the
result of the Joint Admission And Matriculation
Board (JAMB).
The answer is, the certificates being issued by the
West Africa Examination Council (WAEC), the
National Examination Council (NECO) and
NABTEB are valid for life.
These certificates shows that you have gone
through and completed the secondary education.

....
The certificated is awarded ones and that means
it's valid for a whole life time.
So if you have been wondering whether or not
your O' level result will be valid for admission into
higher institution, the answer is yes because your
certificate is valid for life and has no expiry date.