The purposes of this study were to investigate the academic leadership of school administrators, effectiveness of schools. and also the relationship between academic leadership and effectiveness of schools. 
	The samples consisted of 429 school administrators and teachers in Prachinburi Primary Educational Service Area Office 1. The research instrument was rating scale questionnaire. Mean, Standard Deviation and Pearson Product Moment Correlation were employed for data analysis.
	The research results were as followings :
	1) the academic leadership of school administrators in Prachinburi Primary Educational Service Area Office 1 as a whole was at a high level, ranking by the mean scores; from the aspect of planning for teachers professional development, students learning assessment and perspectives on trend of curriculum development, project management for children with special needs and teachers performance assessment respectively.
 	2) the effectiveness of school in Prachinburi Primary Educational Service Area Office 1 as a whole was at a high level, ranking by the mean scores; there were aspect on the ability of flexibility, adaptability, efficiency of production, quantity & quality product.
	3) the relationship between academic leadership and effectiveness of schools under Prachinburi Primary Educational Service Area Office 1 was at relatively high level positively at level .05 of statistical significance.
