Scholar: Vol. 7, No. 1 (2015)
The main aim of this study was to identify principal leadership responsibilities to develop principal leadership model at International Baccalaureate schools in Thailand. Transformational and instructional leadership approaches along with both qualitative and quantitative elements from the research were used to create the model. The data was gathered from 145 teachers from IB authorized international schools in quantitative approach and three principals were interviewed in qualitative approach. The results from the average mean showed that ther...