The purposes of this research were to study of conflict administrative performance of  basic  educational school, change leadership characteristics of basic educational school, the relationship  between change leadership characteristics and conflict administrative performance of basic educational school administrators. The samples of this study consisted of  123 administrators and 316 teachers  under  the Office of Chachoengsao Educational Service Area  2. The instruments used for collecting data were a five-level rating scale questionnaires. The statistics used in  mean, standard deviation and Pearson's  Product  Moment Correlation Coefficient. 
The results were as followed :
1. The change leadership  characteristics of  basic educational school administrators under the  Office of  Chachoengsao Educational Service Area 2 as a whole  and  each aspects were at the hight level. Rank  by the mean scores, there were Valuing human resources, believing that schools are for  students learning or learning organization, vision, risk-takers, proactive and communicator and listener
2. The conflict administrative performance of basic educational school administrators under the  Office of  Chachoengsao Educational Service Area 2 as a whole and each aspects were at the hight level. Rank  by  the  mean  scores, there  were compromising, problem solving, forcing withdrawing and  smoothing, respectively. 
3. Change leadership characteristics and conflict management of  basic educational school administrators under  the Office of Chachoengsao Educational  service  area  2  were  found  the  positively relationship statistically significant  difference at the level of .05
