For more than 25 years, we have been studying public television stations and programming, and for all those years we sat on one of the best-kept secrets in the system. We knew that some of the most-viewed programs on public television were locally produced shows, and the responsible stations certainly knew that piece of good news. But local shows don’t show up in the national ratings, and there are very few reliable ways for people outside of those stations to see the numbers. After years of schedule-watching, we began seeing related patterns in the stations’ performance: Many of the stations with very popular local programs were among the broadcasters with the greatest success in viewership, in community partnerships, and in public support. What was the connection, we wondered?