
	This  research  aimed  to  investigate  the  participation of personnel management affecting to  effectiveness of school  administration under  Chonburi  provincial  Administrative  Organization. The  samples  was  140  school  teachers  under  Chonburi  provincial  Administrative Organization. The  instrument  was  a five-rating-scale questionnaire  and  statistical  analysis  included  mean, standard deviation  and  stepwise  multiple  regression.
	The  findings  were  as  followed :
	1.  Participation of personnel management under Chonburi  Provincial  Administrative Organization  was  at  a  high  level  ranked  as efficient work promotion, discipline, manpower planning and job specification, recruitment and replacement and retirement  respectively.
	2.  Effectiveness of  school  under  Chonburi  Provincial  Administrative  Organization  was at  a  high  level  ranked  as  effectiveness, changing,  job  satisfaction  and development respectively.
             	 3.  There was an affecting between participation of personnel management and effectiveness of school administrative moreover, there were two aspect of discipline and manpower planning and job specification that affected  effectiveness of school administration significantly and were predicted  by 54.70 % and had shown the predictive equation as
 Zytot  = .357Z x4 + .236Z x1
