Crystal Lake South High School
| Name | Crystal Lake South High School |
| Grades | Class 09 to Class 12 |
| Address | 1200 S McHenry Ave |
| City | Crystal Lake |
| School District | CHSD 155 |
| County | McHenry County |
| Zipcode | 60014-7495 |
| Phone No. | (815)455-3860 |
| State | Illinois |
| Suburb | Large |
| Students | 1410 |
| Teachers | 0 |
| Student Teacher Ratio | 0 students per teacher |
| Charter School | No |
| Magnet School | N/A |
Crystal Lake South High School is located at 1200 S McHenry Ave in Crystal Lake city of McHenry County county in Illinois. This school comes under CHSD 155. You can call them at (815)455-3860 for more details. This is not a magnet school. Total one thousand four hundred ten students from class 09 to class 12 study in this school who are taught by teachers. This is not a charter school. The student teacher ratio of this school is 0.