Opened in 1978, Crystal Lake South High School offers
students a comprehensive 9-12 grade education including more than 200
courses. These include specialized Advanced Placement, dual credit,
Project Lead the Way (PLTW), and Virtual Enterprises International (VEI)
course offerings. The school is consistently ranked among the best
public high schools in Illinois. In fact, in its most recent annual
ranking of all 677 Illinois public high schools, the Chicago Sun-Times
listed Crystal Lake South as the 114th best school in the state. Crystal Lake South High School is nationally recognized, most recently being named to the Washington Post's 2017 list of America's Most Challenging High Schools.
Along with the
other District 155 schools, Crystal Lake South appeared on the College
Board's 2016 AP District Honor Roll for the fifth consecutive year. The
honor roll recognizes districts that increased AP participation while
maintaining student success rates on the exams. Only 433 districts in
the United States and Canada appeared on the 2016 honor roll.
athletics, the Crystal Lake South Gators compete in the Valley Division
of the Fox Valley Conference. Including a fourth place finish in 2013,
the school has finished in the state's top four in girls' volleyball
five times dating back to 1991. In boys' golf, the school captured the
state title in 1980, and took third in both 1981 and 1998. On the
diamond, the baseball team won the IHSA Class 4A state championship title in 2017. Former professional baseball pitcher, Scott Olsen, is a 2002 graduate of Crystal Lake South.
school offers students 30 clubs and activities. These activities
include several opportunities to participate in community service, the
arts, music, and other specialized interests. CLS alumni include TV writer Tom Mularz, brothers Nick
(actor) and Matt (chef) Eversman, and
season 1 American Idol finalist Jim Varraros.
Lake South has 90 teachers, all instructing in his or her academic
major. In fact, 85% hold a master's degree or higher. The school also
employs five counselors, two social workers, and one psychologist on its
student services team.
approximately 45 miles northwest of Chicago, the school serves Crystal
Lake and Lake in the Hills. The school is led by Josh Nobilio, who
became principal in 2017.
CRYSTAL LAKE SOUTH BY THE NUMBERS
Enrollment & Staffing
Crystal Lake South: 1,504
District 155: 6,137
District 155 Average Class Size: 20
Teachers with a Master's Degree or Higher: 85%
Students Continuing Their Education After High School: 91%
4-Year University/College: 62%
Two-Year Community College: 26%
Technical/Vocational School: 3%
4-Year Graduation Rate
Crystal Lake South: 98%
District 155: 98%
2016 ACT Composite
Crystal Lake South: 22.6
District 155: 23.1
2017 Advanced Placement
Crystal Lake South: 907
District 155: 3,545
Percentage of Exams Earning Honor Scores
Crystal Lake South: 80%
District 155: 79%
Fight Song Lyrics:
Cheer for the fighting Gators!
There are no imitators.
Green and the Gold prevail,
South High School hail, Ra Ra Ra!
Fight Gators fight with might.
Win Gators, win tonight.
South High with Green and Gold has victory tonight!
District 155's Mission Statement:
For each student, we will inspire a love for learning, empower the
pursuit of personal aspirations, and nurture the desire to contribute to