This study aims to determine: (1) class climate, learning interest, learning discipline, learning motivation, and learning outcomes; (2) the effect of class climate on learning outcomes; (3) the effect of learning interest on learning outcomes; (4) the effect of learning discipline on learning outcomes; (5) the effect of learning motivation on learning outcomes; and (6) the dominant effect between class climate, learning interest, learning discipline, and learning motivation on learning outcomes. The population in this study is a tenth grade student that consist of 175 students, a sample of 120 students with used proportionate random sampling technique. The method used is descriptive analysis and multiple linear regression analysis. The results showed that: (1) class climate can be classified good, learning interest can be classified good, learning discipline can be classified good, learning motivation can be classified good, and learning outcomes can be classified quite high; (2) there is no positive effect and significant between class climate on learning outcomes; (3) there is no positive effect and significant of learning interest on learning outcomes; (4) there is no positive effect and significant of learning discipline on learning outcomes; (5) there is no positive effect and significant of learning motivation on learning outcomes; and (6) learning motivation is the dominant variable affecting learning outcomes. Education is important thing to be developed in order to meet the future demands and goals to be achieved, this development purpose is to improve the quality in education. Education has an important role for preparing human resources for the development. Education can be considered qualified if measured from position through the role to participate in the intellectual life of the nation and promote the national culture, it is succeed if education can form a generation become smarter, has good character, moral, and personality. Education field can not be separated from teaching and learning activities. The learning process emphasizes the occurrence of interaction between students, teachers, learning methods, curriculum, facilities, and environmental aspects related to achieving the competence of learning. The success of the learning process is influenced by many factors, both from within students and from outside, such as classroom climate, interest, discipline, motivation, and so forth. Classroom