Abstrak. Penelitian ini dilakukan untuk melihat pengaruh school connectedness dengan school well-beng siswa Sekolah Menengah Atas. Penelitian ini merupakan penelitian kuantitatif yang terdiri dari siswa SMA sebanyak 134 orang berdasarkan perhitungan aplikasi G*Power versi 3.1.9.2. Pengambilan data dilakukan dengan cara membagikan 2 skala yaitu skala school connectedness dan skala school well being dengan menggunakan metode accidental sampling. Uji analisis data dalam penelitian ini menggunakan pearson product moment. Hasilnya ialah terdapat hubungan positif dengan (r=0.77, p= 0.00) yang berarti terdapat hubungan antara variabel school connectedness dengan school well being pada siswa Sekolah Menengah yang signifikan. Hasil penelitian ini memiliki nilai yang positif dimana terdapat hubungan positif antara variabel yaitu semakin tinggi tingkat school connectedness siswa terhadap sekolahnya maka semakin tinggi pula tingkat school well beingnya, dan sebaliknya. Dimensi school connectedness yang berpengaruh terhadap school wellbeing adalah being connected and liked by students, communication dan being liked by teachers. Namun untuk dimensi belonging tidak memiliki pengaruh terhadap school wellbeing pada siswa SMA. Dimensi school connectedness yang memiliki effect size terbesar adalah being liked by teachers kemudian communication dan yang terakhir adalah being connected and liked by students.Kata kunci: school connectedness, school well-being, Sekolah Menengah Abstract. This research was conducted to look at the relationship between school and school - both in high school students. This research is a quantitative study involving subjects consisting of 134 high school students based on the calculation of the application G * Power version 3.1.9.2. Data retrieval is done by connecting two scales, namely the scale of school connectivity and school scale using the accidental sampling method. Test data analysis in this study using Pearson product moment. What is the positive relationship with (r = 0.77, p = 0.00) which means that the relationship between the school and school variables in the Middle School students is significant. The results of this study have a positive value. Where there is a positive relationship between variables, the higher the level of student school connection to the school, the higher the school level will be, and vice versa. Dimensions school connectedness related to school wellbeing are related and liked by students, communication and liked by teachers. But belonging does not have an influence on school wellbeing in high school students. The dimension of school connectednes which has the greatest effect size is liked by the teachers then communication and the last is connected and liked by students.Keywords: school connectedness,school well-being, secondary school