The concepts of commitment and anxiety are essential components of the teaching process, and these concepts come across as the commitment to and concern of mathematics in the field of mathematics learning. This study aims to explore the effect of secondary school students' mathematics class commitment and anxiety on mathematics success. Another subject studied is the direct and indirect effects of the mathematics class commitment and anxiety on mathematics success. The study is of the quantitative method and follows the survey method. The research was carried out with 488 pupils (257 female and 231 male), selected with simple random sampling, studying in a secondary school in a province in the Turkey's Eastern Anatolia Region. "Personal Information Form", "Student Engagement in Mathematics Scale" and "Mathematics Anxiety-Apprehension Scale" was applied to the secondary school students as data collection tools. Significant relationships and effects have been identified between the secondary school students' mathematics class commitment and anxiety and their mathematics success. In addition, the direct and indirect effects of mathematics class commitment on success and anxiety in mathematics have also been calculated.