This study aimed to investigate the elementary school teachers of social support, self-efficacy and school effectiveness relationship. In this study, to collect relevant literature analysis to establish the theoretical foundation, with the questionnaire to a random sampling method to understand the elementary school teachers in social support, self-efficacy and perceived situation between school effectiveness.Research tools as ”elementary school teachers of social support, self-efficacy and the relationship between school effectiveness research questionnaire,” SPSS software using descriptive statistics, t-test, ANOVA, Pearson correlation analysis and statistical methods.The study found that elementary school teachers perceived social support is among the ”upper level” to ”peer colleagues 'support' the best performance level. Elementary school teachers perceived self-efficacy is the ”upper level” to ”personal teaching efficacy,” the best performance level. Elementary school teachers perception of school effectiveness is the ”upper level” to ”administrative” level the best performance.