In America, elementary children bring money to buy school lunches and other items at school. Teachers can stay in one building their entire teaching career. Parents do not usually volunteer to help teachers in the classrooms. Parents do not go on field trips with older children. Elementary children do not bring money to school for any reason.
Parents take care of the lunch accounts at a bank.
In High School, students can bring money for food items. Teachers are usually rotated around Japan's public schools every 6 years.