Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The School of Environmental Studies is an optional two-year high school in Apple Valley, Minnesota, USA. Also known as the "Zoo School" because of its active partnership with the Minnesota Zoo and its 12 acre (48,000 m²) site on zoo property, the school embraces project-based learning with an environmental theme. The School of Environmental Studies opened during 1995 in the Twin Cities suburb of Apple Valley as a public, 400-student, 11th and 12th grade "high school of choice".