Lake Zurich High School, or LZHS, is a public four-year high school located in Lake Zurich, Illinois, a northwest suburb of Chicago, in the United States. It is part of Community Unit School District 95, which is home to five elementary schools and two middle schools, primarily taking students from Lake Zurich Middle School North and Lake Zurich Middle School South, but it also can take students from parochial schools such St. Francis de Sales and St.