The purpose of the research was to study  basic school administrator role in promoting teacher classroom  research in Kaochan School Group 2 under the Office of Chonburi  Educational  Service Area 2 classified by five aspects, namely; attaching due importance to classroom  research, promoting success of classroom research, respecting teacher who were carrying out classroom research, exhibiting responsibility for such teachers, and giving better prospects for advancement in job positions.
            	The samples consisted 12  administrators  and 126  teachers  in Kohchan School Group 2   under the Office of Chonburi Educational  Service  Area 2. The implementation  in  collecting  the  data  was 45 items five ? level  rating  scale  questionnaires.  The  statistics  utilized  in  analyzing  the  data  were  frequency, percentage, arithmetic, mean  and  standard deviation.
            	The findings were as follows :   
            	The  basic  school  administrator?s  in  promoting teacher  classroom  research  in  Kaochan  School  Group 2 under  the  Office  of  Chonburi  Educational  Service  Area 2  in  all  aspects  were  at moderate  level. The  order  of  mean,  ranked  from  the  highest  to  the  lowest  were, giving  better  prospects  for  advancement  in  job  positions, attaching  due  importance  to  classroom  research, exhibiting  responsibility  for  such  teachers, respecting  teachers  who  were  carrying  out  classroom  research, and  promoting  success  of  classroom  research.
