The objectives of this research were to study the empowerment of school administrators under the Office of Chachoengsao Basic Educational Service Area 1 and to compare the empowerment of school administrators with position and school size. The sample groups in this study were 331 administrators and teachers. The instrument used in collecting data was a set of five ? rating ? scale questionnaire. Percentage, mean, standard deviation, t-test and F-test were employed for data analysis.
	The results were as follows:
	1.  The study of empowerment  of school administrators under the Office of Chachoengsao Basic Educational Service Area 1 as a whole and individual aspects were at the high level, except the aspects of information power and connection power were at the moderate level.  The rest of five aspects were namely : legitimate power,  reward power, coercieve power, expert power and referent power.
	2.  By comparing the empowerment of school administrators with the position, there were no statistically significant differences.
	3.  When comparing the empowerment of school administrators  with school size, there were statistically significant differences at the level of .05  And it had shown that the small school size administrators used more power than those medium school size administrators.
