[Chittagong Grammar School - National Curriculum Welcome to Chittagong Grammar School National Curriculum. CGS NC started its journey on 11th January 2010 with 1 Head, 6 administrative officers, 41 teachers and 226 students. The CGS National Curriculum School was established to meet the growing need for students to gain an in-depth, quality education immersed in Bangladeshi culture, language and traditions, complemented with a high standard of English. There has always been a demand of a world standard national curriculum english medium school]