Complex sentence: Trabuco Hills High School is a high school in Mission Viejo, California, United States and is the largest school in the Saddleback Valley Unified School District in terms of attendance, with 3,128 students enrolled as of the 2006-2007 school year.
Split into simpler sentences: Trabuco Hills High School is a high school in Mission Viejo, California, United States. It is the largest school in the Saddleback Valley Unified School District in terms of attendance, with 3,128 students enrolled as of the 2006-2007 school year.