In this case conceptualization, we outline how we used a mixed-methods design to explore associations among classroom supports and resources to promote children’s social and emotional learning, teacher stress, and reduce requests for expulsions. We leveraged data from two data sources, online surveys, and follow-up interviews with community-based preschool teachers; they complemented each other with the quantitative data answering a question of mediation and the qualitative data used to build upon that finding and add a deeper understanding to our findings. In what follows, we discuss the process of interrupting and using qualitative data in depth, with discussion of topics such as developing a qualitative codebook and interrupting theories and mini-themes. Practical considerations around our methods are discussed including considerations to be taken when interrupting qualitative data and timing for running mixed-methods analysis. By utilizing a mixed-methods design, we were able to answer our question of interest in-depth and move our understanding of preschool expulsion forward to enable us to make recommendations for practice. Readers will learn not only how to carry out a mixed-methods study but will also gain an understanding of why this approach is beneficial in social science research.