Mobile School ERP Development

I need a full-cycle build of a School Management System delivered as a dedicated mobile app for both iOS and Android. The solution must include a solid back-end, restful APIs, and a well-structured database so that the Admin, Teacher, and Student roles each see only what they should... (Budget: ₹150000 - ₹250000 INR, Jobs: Android, API Development, Backend Development, Database Design, iOS, iPhone, Mobile App Development, PHP)