Abstract:
The purpose of this research were to study and compare teamwork development of school under the Nonthaburi primary education service area office 1 by gender, education level and experience, a sample used in this research was selected from school administrators and teachers, 329 cases from schools, under the Nonthaburi primary educat ion service area office 1 The sample size was determined using the Krejcie and Morgan Table and was selected by means of the simple random sampling. The study instruments were questionnaires with 5 rating scale, 44 items. The study instrument was a questionnaire with the reliability value of 0.89. The data were analyzed using percentage, mean, standard deviation, t-test, One-way ANOVA, and the LSD method for paired comparison. The results revealed that level of teamwork development of schools Under the Nonthaburi Primary Educational Service Area 1, the overall is in a high level, the most teamwork development are consistency of following up and development, active cooperation and team discussion. The comparative results of teamwork development of schools Under the Nonthaburi Primary Educational Service Area 1 classified by gender and work experience were overall significance different, classified by education level was different with no statistical significance.