music practice spaces, art studios, and a digital photo lab. On the Lower Level is a 307-seat auditorium and a black-box theater for Collegiate's drama program. Collegiate's athletics are in the Lower Level and include a high school regulation-size gym for the basketball teams. The gym can be partitioned to provide PE classes and practice space simultaneously. An additional gym, the Alumni Gym, can accommodate wrestling competitions and half-court basketball and has a retractable batting cage. Outdoor space consists of a large roof deck on floor 9 with a large recreation area and a ground-level, 5,000-square-foot courtyard for handball and basketball. Structure Each grade has around 50 boys. Those who attend Collegiate for all 12 years are nicknamed "Survivors". The school is divided into Lower School (Kindergarten-Grade 4), Middle School (Grades 5–8), and Upper School (Grades 9-12). More than a quarter of Collegiate teachers have a PhD. The school is private, and it functions under a New York City non-profit statute enacted in the 1940s. Collegiate is controlled by a Board of Trustees, and the school is administered by a Head of School. Leadership Collegiate School was headed by Lee M. Levison from July 1, 2006, until June 30, 2020. He was preceded by W. Lee Pierson, the interim Head of School after the departure of Kerry P. Brennan in 2004. Levison announced his intention to retire in December 2018, causing the board of trustees to begin a search for his replacement. On May 31, 2019, the Board of Trustees unanimously voted to appoint David S. Lourie, Head of the St. Anne's-Belfield School since 2009, as Collegiate's 29th Head of School. He began his tenure upon Levison's retirement on July 1, 2020. Rankings In 2007, The Wall Street Journal ranked Collegiate first in the world in terms of percent of the senior class matriculating to eight selective American colleges. Sports and co-curricular activities The school's athletic success has mainly been with the varsity basketball, baseball, track and field, soccer, and cross country teams. The Collegiate soccer team won the NYSAIS state championship in 2010, 2011, and 2012.| The Collegiate varsity basketball team won five straight state championships in 2008, 2009, 2010, 2011 and 2012. The Collegiate cross country team won 25 Ivy League Championships in a row from 1990 to 2014. The Collegiate wrestling team won their first Ivy League and NYSAIS titles in 2022. Collegiate also has a golf