本研究探討桃園市國中生幸福感之現況，分析學生不同背景變項之差異情形，並瞭解桃園市各區國中生幸福感得分群聚情形。本研究採取混合法設計，包含問卷調查法與訪談法，以105學年度桃園市60所公立國中普通班學生作為本研究母群體，抽取2105位學生為研究樣本，以「國中生幸福感問卷」為研究工具進行調查。資料處理以描述性統計、t考驗、單因子變異數分析以及集群分析法等統計方法進行資料分析，差異考驗顯著部份，並就問卷受試者抽選六位國中生及其任教導師或主任，師生共十二位，進行訪談，藉以瞭解差異原因。本研究結果歸納如下：一、桃園市國中生幸福感之感受程度現況良好。二、不同背景變項之受試者對幸福感之知覺有所差異。三、訪談結果顯示，女導師、勞工家庭對國中生給予較多的包容，因此幸福感比起男導師與其他社經地位家庭來得更為幸福。四、桃園市各行政區國中生在幸福感感受程度有群聚情形，以分為三組為佳。

This study explores the current situation of happiness among students in Taoyuan City, analyzes the differences in students’ different background variables, and understands the clustering of happiness scores among students in the districts of Taoyuan City. This study adopts a mixed method design, including questionnaire survey method and interview method. In the 106 academic year, 60 public schools in Taoyuan City were selected as the research group, and 2105 students were selected as the research samples to use the “Junior High Student Health Happiness Questionnaire”. Conduct surveys for research tools. The data processing was analyzed by statistical methods such as descriptive statistics, t-test, ANOVA test and cluster analysis. If the difference test was significant, and six students and their teachers or directors were selected for the intervew participants. A total of 12 teachers and students were interviewed to understand the reasons for the differences. Perceptions of well-being perceived by the students from public junior high schools in Taoyuan City are significantly above theoretical average. Students with different background variables have significantly differentperception in perceptions of well-being. Interviews show that female mentors, labor and technology-oriented families are more tolerant and liberal to junior middle school students, so happiness is happier than male mentors and other social and family status families. Junior high school students of districs in Taoyuan City, their variable scores, perceptions ofwell-being, have a cluster relationship, and they may be better to divide into three groups in this research.