The purposes of this research were to study and compare the desirable characteristics of school administrators under the Chanthaburi Primary Educational Service Area Office classified by gender, level of education, working experience and school size. The research sample was drawn by proportional stratified random sampling. It included 333 permanent teachers under the Chanthaburi Primary Educational Service Area Office. The instrument for data collection was a five – rating scale questionnaire. The data were analyzed using percentage, arithmetic mean, standard deviation,
t – test and one – way analysis of variance.
The research findings were as follows: 1) The overall desirable characteristics of school administrators under the Chanthaburi Primary Educational Service Area Office were ranked at the high level. 2) There was no statistically significant difference in the overall desirable characteristics of school administrators when classified by gender, level of education and working experience. 3) The overall desirable charactertics of school administrators when classified by school size were different at the statistically significant level of .01.