The purpose of this research was aimed to study the relationship between administrations  role and internal quality assurance. The sample of 286 school administrators and teachers under  the Office of Primary Chachoengsao Educational Service Area 2 were obtained by stratified random sampling. The instrument was a 5-scale questionnaire. The statistics used in analyzing the  data were mean, standard deviation, and Pearson, product moment correlation. The  results of the  research were as followed.
 	1.  Administrators Roles for internal quality assurance as a whole was at a high level,  when consideration by consultant roles was the highest. the promotion, factory, monitoring was  the high level respectively  
	2. Internal quality assurance under the Office of Chachoengsao educational service  Area 2  as a whole was at a high level. when  consideration by developing the educational quality, educational planning, educational standard planning, system and information education quality annual quality report, education standard development,  surveillance of the  educational quality and educational quality assurance, respectively
	3. The relationship between administrators role and internal quality assurance has the positively significant difference at the level of  05
