Quality pre-K pays off for kids, families, and businesses, according growing body of research. But how can states fund sustainable programs? This report looks at the diversity of states' approaches—for example, some target only 4-year-olds; some fund only programs in public schools; some focus on education, others include services like health care and parenting classes—and the strategies states are using to tap into stable funding sources. The report includes a list of "pros and cons" of specific funding streams.