This CTE diagnostic toolkit from the Strategic Data Project at Harvard University provides postsecondary leaders with guidance and examples about analyzing student progress and success in various CTE pathways. Toolkit offerings include proposed questions, sample data visualizations, and summaries of analyses to conduct. The diagnostic toolkit is structured around four topics: student completion, student progress, "gatekeeper" courses (courses that prevent students from completing pathways), and credit accumulation. In addition, a technical guide provides more detailed information about how to execute the examples featured in the toolkit.