The Lehman Alternative Community School (LACS) is a nationally renowned public, alternative, combined middle and high school in the Ithaca City School District in Ithaca, New York. Serving grades 6-12 with approximately 305 students, the school is known for its small class size, non-traditional curricula, and focus on active student participation. Demand to attend the school greatly exceeds available space, and the waiting list to enter the school generally exceeds 240 applicants.