The purposes of this research were to investigate 1) the administrators behavior under Prachinburi Primary Educational Service Area Office 1 2) the organization culture under Prachinburi Primary Educational Service Area Office 1 3) relationship between school administrator s behavior and organization culture under Prachinburi Primary Educational Service Area Office 1.
	The sample 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 Persons Product Moment Correlation were employed for data analysis.
	The results were as the followings:
 	1) the administrators behavior as a whole were at a high level, from task-oriented behavior, relation-oriented behavior and change-oriented behavior in descending order of mean.
	2) the organization cultures were at a high level, from constructive styles, passive/ defensive styles and aggressive/defensive styles in descending order of mean.
	3) the relationship between school administrators behavior and organization culture under Prachinburi Primary Educational Service Area Office 1 was at very high positive correlation at level .05 of statistical significance. 
