The study entitled ‘Development  Of  Personnel  Administration  In  Primary  School  Klongsamwa  District  Bangkok’ was a survey research aiming to study Development  Of  Personnel  Administration  In  Primary  School  Klongsamwa  District  Bangkok, to compare Development  Of  Personnel  Administration  In  Primary  School  Klongsamwa  District  classified according to age, qualification and present position and to study the problems and suggestions in Development  Of  Personnel  Administration  In  Primary  School  Klongsamwa  District  Bangkok. The sample of the study was 234 Educational personnel of Primary schools  in Khlong Samwa of Bangkok  using a Stratified Random sampling method according to the given table of the sample size of Krejcie & Morgan. Statistics used for the data analysis was Percentage, Mean and Standard Deviation, t-test and One-Way Analysis of Variance: F-test based on the ready-made computer programme. The results of the study were as follows:  

FINDINGS:     

              1. The result of the data analysis of Development  Of  Personnel  Administration  In  Primary  School  Klongsamwa  District  Bangkok to find out X and S.D. values in general in all the aspects  it was found that 3 aspects were more and 2 ones were moderate. The aspects with more average values were staffing, promoting and developing and the moderate aspects  were planning and evaluating  respectively. 

   2. The result of the comparative analysis of Development  Of  Personnel  Administration  In  Primary  School  Klongsamwa  District  Bangkok classified according to sex   through t-test it was generally  found not to be significantly different at .05 level and  while considering each aspect  it was found not to be significantly different at .05 level.      

              3. The result of the comparative analysis of Development  Of  Personnel  Administration  In  Primary  School  Klongsamwa  District  Bangkok classified according to age, qualification and present position   through the One-Way Analysis of Variance: ANOVA was as follows:

                     3.1  To the age  it was generally found  not to be significantly different at .05 level, while considering each aspect it was found that it was  significantly different at .05 level.

                     3.2  To the qualification  it was generally found that it was not significantly different at .05 level, while considering each aspect it was found to be  significantly different at .05 level.

                     3.3  To the present position  it was generally found that it was significantly different at .05 level, while considering each aspect it was found that the aspects of planning, promoting and evaluating were  significantly different at .05 level.