This research evaluates the history of education in museums since 1870 with a particular focus on education programs for schools groups and their relationship with both theoretical and practical trends occurring in the American school system. To complete this research, the writings of museum professionals and related studies concerning education in museums were examined. It is concluded that in order to maintain creativity in their education programs; museum professionals must make sure that, while they always have to be aware of educational trends in traditional schools; they also safeguard their role as unique institutions of informal learning.