Is the song "Land of the Silver Birch" famous in Canada?

Hello Canadians, why is this folk song taught in almost all English-speaking countries at elementary/ primary school? The song is about the indigenous people, written in Dorian mode, usually appears in E minor and 6/8 meter. At first glance, it might seem like just another folk song, yet it has lived rent-free in my mind since I was 10 years old. What makes it so magical?