Interviewer instructions
In earlier years many schools had two bank accounts – one for the school for subsidy payments and one for the BOM for project fees. Some schools seem to be joining those accounts together and making one, which is known as a joint account and is used by both the Head Teacher and the BOM.
Basic materials in these two questions refer to exercise books, pencils, chalk, cardboard for use in the classroom. Consumables means stationery used by teachers and office staff for administrative duties.