Teachers are usually required to prepare for their first day of school. Things which are needed are:
1. The Syllabus.
2. Reference books/material
3. List of activities for a particular session
4. A sweet smile and teachers are set for their class.
Mostly the children and the teacher are nervous about the first meeting, but it will all settle down once a face to face meeting is over.
Check the link given below. Just some tips to help you.