i-School is an online education app based on teacher-student interaction model. Teacher posts all the notes and study materials through iDiary, Students can interact with teachers through iMail, MCQ type Online Examination can be taken through iExam. Written type exam can be implemented through idiary & iMail. Online video classes can be arranged through iVideo. This is a complete package for conducting online education with study, attendance & exam system. This App is designed for Holy Cross School, Pandua, West Bengal.