No. 1 CBSE School in Ranchi, Jharkhand - ODM Sapphire Global School is a co-educational day boarding and residential school guided by an educational philosophy, that promotes the development of the students by blending with academics, co-academics, athletics, and creative achievements. Our unique school curriculum combined with world-class facilities and infrastructure incorporates all the aspects of top international schools. Continuing the three-decades-long legacy of ODM Educational Group, our Global School is a happy and welcoming home-away-from-home with excellent facilities for students.