Compared with the stereotype of the East Asian model -- long hours of exhaustive cramming and rote memorization -- Finland's success is especially intriguing because Finnish schools assign less homework and engage children in more creative play. All this has led to a continuous stream of foreign delegations making the pilgrimage to Finland to visit schools and talk with the nation's education experts, and constant coverage in the worldwide media marveling at the Finnish miracle.

So there was considerable interest in a recent visit to the U.S. by one of the leading Finnish authorities on education reform, Pasi Sahlberg, director of the Finnish Ministry of Education's Center for International Mobility and author of the new book Finnish Lessons: What Can the World Learn from Educational Change in Finland? Earlier this month, Sahlberg stopped by the Dwight School in New York City to speak with educators and students, and his visit received national media attention and generated much discussion.

And yet it wasn't clear that Sahlberg's message was actually getting through. As Sahlberg put it to me later, there are certain things nobody in America really wants to talk about.

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During the afternoon that Sahlberg spent at the Dwight School, a photographer from the New York Times jockeyed for position with Dan Rather's TV crew as Sahlberg participated in a roundtable chat with students. The subsequent article in the Times about the event would focus on Finland as an "intriguing school-reform model."

Yet one of the most significant things Sahlberg said passed practically unnoticed. "Oh," he mentioned at one point, "and there are no private schools in Finland."

This notion may seem difficult for an American to digest, but it's true. Only a small number of independent schools exist in Finland, and even they are all publicly financed. None is allowed to charge tuition fees. There are no private universities, either. This means that practically every person in Finland attends public school, whether for pre-K or a Ph.D.

The irony of Sahlberg's making this comment during a talk at the Dwight School seemed obvious. Like many of America's best schools, Dwight is a private institution that costs high-school students upward of $35,000 a year to attend -- not to mention that Dwight, in particular, is run for profit, an increasing trend in the U.S. Yet no one in the room commented on Sahlberg's statement. I found this surprising. Sahlberg himself did not.

Sahlberg knows what Americans like to talk about when it comes to education, because he's become their go-to guy in Finland. The son of two teachers, he grew up in a Finnish school. He taught mathematics and physics in a junior high school in Helsinki, worked his way through a variety of positions in the Finnish Ministry of Education, and spent years as an education expert at the OECD, the World Bank, and other international organizations.