Lemont High School
| Lemont High School | |
|---|---|
| Address | |
800 Porter Street , 60439 United States  | |
| Coordinates | 41°40′27″N 87°59′28″W / 41.6742°N 87.991°W | 
| Information | |
| School type | Public Secondary | 
| Established | 1890 | 
| School district | Lemont HS 210 | 
| Superintendent | Dr. Mary Ticknor | 
| CEEB code | 142590 | 
| Principal | Mr. Eric Michaelsen | 
| Teaching staff | 88.50 (FTE) | 
| Grades | 9–12 | 
| Gender | coed | 
| Enrollment | 1,305 (2023-2024) | 
| • Grade 9 | 317 students | 
| • Grade 10 | 300 students | 
| • Grade 11 | 337 students | 
| • Grade 12 | 351 students | 
| Average class size | 24 | 
| Student to teacher ratio | 14.75 | 
| Campus size | 30 acres (120,000 m2) | 
| Campus type | Suburban | 
| Color(s) |   Navy Blue Gold  | 
| Slogan | Let’s go Lemont | 
| Fight song | Lemont Loyalty | 
| Athletics conference | South Suburban | 
| Team name | None | 
| Newspaper | Tom-Tom | 
| Website | http://www.lhs210.net/ | 
Lemont High School, or LHS, is a public four-year high school located in Lemont, Illinois, a southwest suburb of Chicago, Illinois, in the United States. It is the only school of Lemont Township High School District 210, which serves the Village of Lemont and small portions of Woodridge and Downers Grove. LHS also serves as a feeder school for Deaf/Hard-of-hearing students in the area.