The role of school principals to the professional ability and specialised knowledge self-improvement of teachers (in vietnam)

School principals play a key role in the orientation, direction and administration of learning and teaching activities ? education at schools. Consequently, principals must regularly motivate, promote, and urge teachers to actively participate in improvementas well as self-improvement in order to enhance their professional abilitytogether with specialised knowledge and together build up strong schools with the hope of meeting the demand of the innovative and modern education nowadays