Crystal Lake Central High School

45 W Franklin Ave
Crystal Lake, IL 60014

1,470 Students

High School 9th - 12th

School Overview

Crystal Lake Central High School, located in the heart of Crystal Lake, Illinois, is a prominent secondary institution serving the District 155 community. Known for its rich history and deep-rooted traditions, the school serves as a central hub for academic and extracurricular life. It offers a comprehensive curriculum designed to prepare students for post-secondary success, providing a blend of rigorous core coursework, Advanced Placement (AP) opportunities, and diverse elective options that cater to various student interests and career aspirations.

Beyond the classroom, the school is well-regarded for its vibrant campus culture and strong commitment to student development. It hosts a wide array of athletic programs, performing arts groups, and student-led clubs that encourage teamwork, leadership, and personal growth. With a focus on fostering a supportive environment, Crystal Lake Central prioritizes building meaningful connections between staff and students, ensuring that the school remains a staple of the local community while consistently aiming to challenge and inspire its student body.

1,470

Total Students

87.2

Full-Time Teachers

16.9

Student/Teacher Ratio

N/A

Free/Reduced Lunch

Student Demographics

Student Demographics Data Table

Student Demographics for Crystal Lake Central High School
Demographic	Student Count
White	985
Hispanic	406
Black	26
Asian	38
Two or More	7
American Indian	4
Pacific Islander	4

White
985 (67.0 %)
Hispanic
406 (27.6 %)
Asian
38 (2.6 %)
Black
26 (1.8 %)
Two or More
7 (0.5 %)
American Indian
4 (0.3 %)
Pacific Islander
4 (0.3 %)

School Location

School Details

Status:	Open
School Level:	High School
School Type:	Regular School
Charter Status:*	Public Non-Charter
Virtual Instruction:	No virtual instruction
Shared Time Status:	No
District:	CHSD 155
Phone:	(815)459-2505
Grade Range:	9th - 12th
Total Students:	1,470
Full-Time Teachers (FTE):	87.2
Pupil/Teacher Ratio:	16.9
NSLP Participation:¹	Yes participating without using any Provision or the CEO
Qualified Free Lunch:	0
Qualified Reduced Lunch:	0

* Charter Schools: A public charter school is a publicly funded school that operates independently under a legislative contract (or "charter") with a state, school district, or designated authorizing entity. Charters grant these schools greater operational flexibility over curriculum, staffing, and budgeting in exchange for strict accountability to achieve performance standards established in their charter agreement.

¹ National School Lunch Program (NSLP): The National School Lunch Program is a federally assisted meal program operating in public and nonprofit private schools. It provides nutritionally balanced, low-cost or free lunches to eligible children each school day based on household income thresholds or community eligibility options (CEO).

Title I Program Overview: Title I, Part A of the Elementary and Secondary Education Act (ESEA) allocates federal financial assistance to local educational agencies and public schools with high percentages of children from low-income families to help ensure that all children meet challenging state academic standards.

Grades Taught

Grade 9 338

Grade 10 382

Grade 11 393

Grade 12 357