The mandate of NTI as stated in the establishment Act, is to provide courses of instruction that lead to the :
In order to achieve the above mentioned mandate objectives, NTI has over the years come up with the following programmes in collaboration with the relevant professional and regulatory bodies :-
Within the period of 37 years (1976-2013) NTI has developed, Upgraded, professionalized and certificated more than 500,000 Teachers nationwide. Infact, today there is no single state or LGA that you cannot find an NTI professionally certificated Teacher in the Primary, Secondary or Tertiary institutions. It can truly be said that without NTI, Nigerians employed in full-time jobs, House Wives with numerous household chores and youths that are waiting for employment cannot have the opportunity to further their education in their individual circumstances.