The teachers at this school are taught different, that is, not using the projector, but the computer and tv are in every classroom, but uses mostly White Board, board.
Teachers at this school are taught that varies. But that was not the projector to a computer and TV in every classroom, but to use the board White board majority.
The school teacher will teach different. That is not projector but there will be a computer and TV in every classroom, but will use the board. White board mostly.