The  objectives  of  this  research  were  to  investigate  the  participation  of  teachers  in  school  administration  under  the  Office  of  Chonburi  Basic  Educational  Service Area 2, and  to  compare  those  teachers? participation  in 4  school  administrative  traits  as  classified  by  position, education  level, work  experience  and  school  size.  The  samples  consisted  of  118 school administrators  and  287  teachers  in  basic  education  schools  under  the  Office  of  Chonburi  Educational  Service  Area  2.  The  instrument  used  for  collecting  data  was  a  set  of  5 - item rating  scales  questionnaire.  Percentage,  mean, standard  deviation,  t - test  and  One  Way  ANOVA  were  employed  for  data  analysis.
	The  findings  of  research  were  as followed ;
	1.  The  participation  of  teachers in  school  administration  under  the  Office  of  Chonburi Educational Service Area 2  as a whole was at  a moderate level, ranking by the mean scores; there  were academic administration, budgeting administration, general administration and personnel  administration.
 	2.  Comparison  of  the  teachers? participation  in  basic  education  schools  as  classified by  position, there  was  significantly  difference  at .01  level. When  classified  by education level, work  experience and school size,  had  not  found  significantly  differences.

