A schoolyard or school campus is the region within the boundaries of a school used for teaching, extracurricular activities, and playing sports and games. Schoolyard https://www.merriam-webster.com/dictionary/schoolyard

However, some schools do not use a wall to indicate the range of the schoolyard, in these cases the general activities of teaching and after-school activities can also be called campus life, and "schoolyard" or "campus" often is used as a synonym for school life.

The term also may refer to only the outdoor portion of a campus, distinguished from classroom space.Herbert W. Broda, Schoolyard-enhanced Learning: Using the Outdoors as an Instructional Tool, K-8 (2007), p. 28-29. In this context, the schoolyard may be used as a teaching space to instruct students about ecological systems. In recent years there has been a growing movement around the world to create "green" schoolyards that incorporate learning gardens, storm water capture elements, and other natural features that promote environmental literacy.

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See also Cafeteria Students' union