IL
Regular School
High School
Crystal Lake South High School
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(815) 455-3860
Student Enrollment & Staffing Overview
NCES 2024-2025Total Students
1,279
Teachers (FTE)
77.7
Student-Teacher Ratio
16.5:1
FRPL Eligible
411
(32.1%)
National School Lunch Program (FRPL) Eligibility
Total Eligible: 411 of 1,279 (32.1%)
Eligible (Combined): 411 (32.1%)
Paid / Not Eligible: 868 (67.9%)
Multi-Year Enrollment Trends & Growth (2020-2021 – 2024-2025)
Student Diversity Distribution
Demographic composition of enrolled students across racial & ethnic backgrounds.
1,279
Students
| White | 830 | 64.9% | |
| Hispanic / Latino | 329 | 25.7% | |
| Asian | 55 | 4.3% | |
| Black or African American | 35 | 2.7% | |
| Two or More Races (Multiracial) | 26 | 2% | |
| American Indian / Alaska Native | 4 | 0.3% |
Grade-Level Enrollment Distribution
Distribution of student body across reported grade cohorts.
1,279
Students
| Grade 10 | 327 | 25.6% | |
| Grade 11 | 305 | 23.8% | |
| Grade 12 | 336 | 26.3% | |
| Grade 9 | 311 | 24.3% |
Student Gender Distribution
Reported enrollment counts by gender cohort.
M
51.3%
Male Students
656
F
48.7%
Female Students
623