The objectives of this study were to determine and compare the basic school data and information system development under the Office of Chonburi Educational Service Area 2 which  were classified by position and school sizes. The conceptual framework was involved with five steps of data and information system development; system planning, system analysis, system design, system implementation and system maintenance respectively. The samples of this study were 394 school administrators and teachers. Five-rating-scale questionnaire was employed as a tool of data collection with .98 of reliability. Percentage, mean, standard deviation, t-test and F-test were used for data statistically analyses.
	The findings were as following;
	1.  Basic school data and information system development under the Office of Chonburi Educational Service Area 2 as a whole and each aspects were at the high level.
	2.  Comparing basic school data and information system development between the school administrators and teachers opinions were found statistically insignificant differences.
	3.  When comparing basic school data  and  information system development which classified by school sizes were also found statistically insignificant differences.
