 Community High School District 155 includes the communities of Bull Valley, Burtons Bridge, Cary, Crystal Lake, Fox River Grove, Lake in the Hills, Lakewood, Oakwood Hills, Prairie Grove, and Ridgefield, and the district is approximately 45 miles northwest of downtown Chicago.Enrollment is 6,643 students, as of 2016.Community High School District 155 was established on December 6, 1919 by an election.