On their very first day, teacher must do following things

☛ Know the school policies

☛ Familiarize yourself with the school

☛ Meet your colleagues

☛ Make your material ready for the first day

☛ Prepare your lesson thoroughly and stay relax

☛ Make detailed lesson plans for the first week

☛ Teach something to the student that is easy for the student to learn, and spend last 5-10 chatting with the student