The study of school administrators competency affecting job satisfaction under the office of ChachoengsaoPrimaryEducational Service Area 1. The samples were 308 school administrators and teachers under the office ChachoengsaoPrimary Educational Service Area 1. The data collection consisted of 5 rating scales questionnaire and statistical analysis included mean, standard deviation and stepwise multiple regression.  
        	1. School administrators competency of under the office of Chachoengsao Primary Educational Service Area 1 was at a high level. When considered separately, service, personal mastery, communication and motivation, vision, critical thinking, efficiency.
        	2. The Job satisfaction of under the office of Chachoengsao Primary Educational
Service Area 1 was at a high level.  When considered separately, recognition, achievement, company policy and administration, advancement, interpersonal relation superior, subordinate, peers, The work itself, working conditions, salary, responsibility, supervision.
        	3. The relationship between school administrators competency and job satisfaction under the office of Chachoengsao PrimaryEducational Service Area 1 was positive at the .05 level.
        	4. School administrators competency effecting to the job satisfaction under the office of ChachoengsaoPrimary Educational Service Area 1. When considered separately, service, efficiency, vision, personal mastery, team work, advancement, communication and motivation was positively at the .05 level. Predictive equation in regression form as followed
	Zy = 4.6241+.595X2+.585X1+.341X8+.442X3+-.043X4+-.025X7+.039X6
