The National Curriculum & Textbook Board (NCTB) (Bengali: জাতীয় শিক্ষাক্রম ও পাঠ্যপুস্তক বোর্ড) is an autonomous organisation under the Ministry of Education (MoE) in Bangladesh responsible for the development of curriculum, production and distribution of textbooks at primary, secondary and higher secondary levels.
All public schools of Bangladesh are under NCTB. Free board books are distributed among students every year between classes I-X. these books comprise most of the curriculum of all public Bangladeshi schools.There are two versions of the national curriculum. One is Bangla version and another one is the English version.