all day
Upcoming Events
view full calendarall day
all day
all day
all day
all day
all day
Recent News
![2021-22 Registration Now Open]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1566832654/d155org/uawjghxumtlkilpih6qv/websitestorylogo.png","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1566832654/d155org/uawjghxumtlkilpih6qv/websitestorylogo.png","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1566832654/d155org/uawjghxumtlkilpih6qv/websitestorylogo.png","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1566832654/d155org/uawjghxumtlkilpih6qv/websitestorylogo.png","width":1080}])
Registration for the 2021-2022 school year is now open
One hundred and ninety-four D155 seniors were recognized as Illinois State Scholars for their superior academic achievement by the Illinois Student Assistance Commission.
![Class of 2021 Graduation Updates]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1618342218/d155org/lvedltciels6l4bbehfr/GraduationUpdates2021_CLS.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1618342218/d155org/lvedltciels6l4bbehfr/GraduationUpdates2021_CLS.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1618342218/d155org/lvedltciels6l4bbehfr/GraduationUpdates2021_CLS.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1618342218/d155org/lvedltciels6l4bbehfr/GraduationUpdates2021_CLS.jpg","width":940}])
This year, graduation will be split into two outdoor ceremonies in our football stadium on Saturday, May 15 at 10:00 a.m. and 12:00 p.m.
![CLS Student Awarded Full-Ride to Central Michigan University]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1616599034/d155org/h03zydyi2wtmu8cnkebu/CLSscholarship_Frida.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1616599034/d155org/h03zydyi2wtmu8cnkebu/CLSscholarship_Frida.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1616599034/d155org/h03zydyi2wtmu8cnkebu/CLSscholarship_Frida.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1616599034/d155org/h03zydyi2wtmu8cnkebu/CLSscholarship_Frida.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1616599034/d155org/h03zydyi2wtmu8cnkebu/CLSscholarship_Frida.jpg","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1616599034/d155org/h03zydyi2wtmu8cnkebu/CLSscholarship_Frida.jpg","width":2000}])
Frida Ferrusquia, a junior at Crystal Lake South High School was awarded the Multicultural Advancement Award of Distinction at Central Michigan University. She will receive a full tuition scholarship to Central Michigan University and will attend as an undergraduate student after graduating from Crystal Lake South in 2022.
Our School by the Numbers
97%
Graduation Rate
19
IHSA Varsity Sport Team Academic Awards
557
Students Completed Early College Coursework
RAMP
National Certification-Student Services
$2M
Earned in scholarships by the Class of 2019
98%
9th Graders on Track for Graduation
AVID
Emerging School-Wide Distinction
5
National Merit Finalists
89%
Graduates Continuing their Education