The objective of this research is to compare teacher emotional intelligence based on their sex, levels of education and the length of their devotion. The conceptual framework of this research is the Goleman’s Emotional Intelligence Theory. To collect data, Boyatzis’ questionnaire instrument on the teacher emotional intelligence was employed. The instruments were sent to State Secondary High School Teachers in Tangerang city. The data were analysed using SPSS version 16.00. The inferential statistical method t-Test and one-way ANOVA were employed. The findings of this research show that there is a difference in the teacher emotional intelligence based on their sex, levels of education and the length of their devotion. The implication of this findings is that emotional intelligence may be improved by recognizing one’s own emotion, managing emotion, recognizing others’ emotion, building rapport, developing and maintaining emotional skills, doing religious activities and by practicing emotional and spiritual drills.