Tanzania Institute of Education is a Government Institution under the Ministry of Education and Vocational Training. The main functions of the Institute are:

• To design and develop curricula for Pre- primary, Primary, Secondary, and Teacher Education levels.
• To carry out in-service as well as pre-service training of teachers for efficient and effective implementation of curricula.
• To provide and oversee education quality assurance with regard to teaching methods, subject objectives and standard of teaching-learning materials.
• To provide technical advice to the Government through the Ministry responsible for education and to other stakeholders with the ultimate objective of providing quality education at all levels.