Not a theological school but the daily set of instructions on Mormonism offered to high school students. Often the LDS church will build a building close to a high school in which they conduct these classes. These seminary buildings become the social center for many LDS students.
Dictionary of Mormonese
Dictionary of "Mormonese"
Stop talking past each other. Gain a better understanding of the words that are unique to Mormonism and the differences of shared terms between Mormonism and Christianity.