A simple Iphone App for Teachers!

I am looking for someone who create a simple easy to use Iphone app for teachers which will: Organize their schedules and classes, reminder them of meetings and appointments, set reminders for when assighnments must be due, take attendance of their class, write notes to themselves and to grade homework. The point of the App is to make the typical chaotic life of a teacher more simplified and organized with the use of their phone. Also up for desighn a similar simple app for students. Let me know if anyone is interested!! :D