This is an accepted version of this page Lake Forest High School (LFHS) is a public four-year high school located in Lake Forest, Illinois, a North Shore suburb of Chicago, Illinois, in the United States.

Lake Forest High School (LFHS) was constructed in 1935 with funds from the Works Progress Administration during the New Deal era.

Over the years, LFHS has undergone three significant additions, the most recent in 2008, which introduced a commons area, a new lunchroom, a music wing, and other minor improvements.

Sports facilities include a field house, climbing wall, swimming pool with a diving well and student gym.

Prior to this, a first referendum was passed on November 7, 2006 unanimously by the Lake Forest High School Board of Education.

It has been included in the "Top million" and "Most Successful" lists of the National Association of Secondary School Principals, The New York Times, The Washington Post, and Parade magazine.

[12] The Advanced Placement courses offered include: Biology, Calculus AB, Calculus BC, Chemistry, Computer Programming, Computer Science, Economics, Environmental Science, French V, French VI, German IV, Latin IV, Latin V, Literary Analysis and Criticism, Modern European History, Music Theory, Psychology, Physics C, Political Science, Spanish V, Statistics, Studio Art, United States History, and World History.

[18] Furthermore, the Lake Forest High School boys lacrosse team were crowned the 2024 Illinois state champions.

Under the leadership of coach David Hone, the team completed the season with 23 wins and only three losses, finishing undefeated in conference play.