This concept paper discusses instructional leadership of administrator, school effectiveness and
organizational culture in inner rural of Sarawak. Instructional leadership is the most reliable in
education field. Leadership could directly impact the performance of the organization. In the context
of this study, the organization is a Government-owned school. Thus the effectiveness of a school are
influenced leadership practiced by administrators and civilization rooted in the school. Instructional
leadership is given a priority in development plan Education 2013-2025 in five shifts to accommodate
high-impact leaders in school. Education also did not miss in National Transformation 2020-2050 that
is access to high quality education. Instructional leadership refers to the practice of administrator in
giving guidance to teachers and students to improve and enhance the performance of the self and the
school as a whole, whether in the areas of curriculum and co-curriculum. This performance will lead to school effectiveness from two major areas of the successfulness of students aspiration. However, there
are other factors that play a role in performance improvements, that is the influence of organization
culture formed under the leadership of the administrator.