in education systems teachers in private schools collaborate more frequently by exchanging ideas or material than teachers in public schools do while only in the netherlands do public school teachers collaborate more than private school teachers when school principals reported that teachers cooperate by exchanging ideas or material the average yearold student in oecd countries scores points higher in science in slovenia the average student scores points higher according to the report supporting teacher professionalism oecd c a collaborative culture also shows one of the strongest associations with teachers selfefficacy and job satisfaction