	This research is to study on managerial efficiency of the executives of basic educational institute under supervision of Chonburi Educational Service Area Office, District 2 in 4 aspects as follow; academic management, budget management, personnel management, and general management and to make comparisons of the managerial efficiency of the executives of basic educational institute under supervision of Chonburi Educational Service Area Office, District 2, which is classified based on the positions and educational institute sizes of the sample groups namely the executives of educational institutes and the instructors, who perform general management tasks, in Basic Educational Institute under supervision of Chonburi Educational Service Area Office, District 2-divided into 97 executives of educational institutes and 97 instructors, who perform general management tasks from 127 basic educational institutes. The applied tool of research is the 60-item questionnaire with 5-level approximate evaluation. The statistics used for data analysis are average scores, standard deviations, t-test, and variation analysis. The result of research was found that the managerial efficiency of the executives of basic educational institute under supervision of Chonburi Educational Service Area Office, District 2-based on the opinions of the executives of educational institutes and the instructors, who perform general management tasks, was concluded that;
	1. The managerial efficiency of the executives of basic educational institute under supervision of Chonburi Educational Service Area office, District 2-based on the opinions of the executives of educational institutes and the instructors, who perform general management tasks  was in the level of very much in overall. After each aspect was segregated, it was found that it was in the level of very much respectively as follows; general management, personnel management academic management, and budget management.
	2.	The executives of educational institutes and the instructors, who perform general management tasks, had the opinions with regard to the managerial efficiency of the executives of basic educational institute under supervision of Chonburi Educational Service Area Office, District 2 with no differences in overall.
3.	The managerial efficiency of the executives of basic educational institute under supervision of Chonburi Educational Service Area Office, District 2 in small, medium, and large educational institutes had different managerial efficiency-in general and in each aspect-with 