Lemont High School at a glance
- National rank: #872 (2026-27 edition)
- Illinois rank: #40
- Previous edition: Up from #1,161 in 2021-22
- Graduation rate: 96.1%
- Students: 1,284
Ranks are from the 2026-27 U.S. News & World Report Best High Schools edition. How HighSchoolTrends uses this data.