SLE is highly competitive! 6,000 applicants compete for just 1,000 slots annually. SLE gives high school juniors a one-week immersive experience as a cadet to inform their college selection decision. SLE is a fast-paced program consisting of academic classes, military training, physical fitness training, and intramural athletics. SLE sessions are held during the first two weeks of June each year. You must have standardized test scores to be considered for SLE.