This study aimed to investigate the implementation of good governance by school administrators on six major characteristics: rule of law, accountability, transparency, participation, responsiveness, effectiveness and efficiency.  Participants of 423 basic school administrators under the office of Chonburi Educational Service Area 1 were classified by positions, location of schools, and school sizes. The research instrument was a five-rank-rating-scale questionnaire. The analysis of frequency, percentage, means, standard deviation, t-test, and one-way ANOVA were utilized in this study.
The findings were as follows:
	1.	The implementation of good governance by school administrators was reflected at a high level as the overall performance and as individual factors.  Rule of law, accountability, responsiveness, transparency, effectiveness and efficiency, and  participation were ranked from the most to the least average.  
	2.	The implementation of good governance by school administrators when was classified by positions reflected significant differences at .05 level as the overall performance and as individual factors. 
	3.	The implementation of good governance by school administrators when was classified by location of schools reflected significant differences at .05 level as the overall performance and as individual factors except the rule of law. 
	4.	The implementation of good governance by school administrators when was classified by school sizes reflected significant differences at .05 level except the rule of law, accountability, and participation. 
