Complex sentence: The Cité Scolaire Internationale Europole is comprised of a middle school and high school, providing an environment in which the offspring of international engineers, researchers, and workers are able to continue the education whence they left off in their respective nations.
Split into simpler sentences: The Cité Scolaire Internationale Europole is comprised of a middle school and high school. It provides an environment in which the offspring of international engineers, researchers, and workers can continue the education whence they left off in their respective nations.