Nanjing teaching and research section and Nanjing Institute of Educational Development are not together. Nanjing Institute of Education and Development is a directly affiliated institution of Nanjing Education Bureau, which is mainly responsible for the training of primary and secondary school teachers and educational administrative cadres in the city.
Nanjing Teaching and Research Section is a public institution directly under Nanjing Education Bureau, which is mainly responsible for the teaching and research work of primary and secondary schools in the city.