"College Is Just the Beginning: The Employer Role in $1.1 Trillion Postsecondary Education and Training System" focuses on employer investment in formal training for workers in the context of the broader postsecondary education and training system and the primary institutions involved in skill development in the United States. Along with colleges and universities, employers are the main providers of formal training in the United States. In this brief report, we analyze how much employers spend on formal training, what they spend formal training dollars on, and how spending on formal training varies by workers' educational attainment, age, and industry sector. Formal learning or training features a scheduled, regimented series of learning or training sessions, typically administered by an assigned trainer. Informal learning or training, by contrast, occurs through experience on the job. Appended is: "Data Sources and Methodology."