them when they travel to participate at Nationals NHSMUN (Centennial won a delegation award there last year)." As of May 29, 2013, Best Delegate ranked Centennial's Model UN team number six in the nation. During the 2012–2013 school year, Centennial won the Award of Distinction at the National Model United Nations, the Best Small Delegation Award at the HMUN, the Award of Distinction at Southern States Model United Nations, and won more delegation awards at UGAMUN and Georgia Tech GTMUN. In 2014 Centennial received both the Award of Excellence and the Research and Preparation Award of Excellence at NHSMUN. This was followed in 2015 and 2016 with the Award of Merit at the same conference. In 2016–2017, the team competed at GTMUN, Vanderbilt's Model United Nations Conference XIII, Model Arab League, and UGAMUNC receiving several awards, including Best Position Paper, Honorable Mention and Outstanding Delegation awards for individual and overall delegations. In the 2015–2016 school year, Centennial added a class in International Affairs designed to cultivate young delegates through mentorship and instruction by senior members of the team. According Best Delegate's 2015-2016 high school rankings, Centennial MUN team ranks top 150 teams in the nation. Centennial is advised by the Social Studies Department Chair Mack Hennessey. Athletics Centennial's boys' lacrosse team competed and won at the 2013 State Championship, the first state championship in a boys' sport since the school's opening. The 2002 Knights football team went 10–0, marking the only undefeated regular season in Centennial's history. The region 6-AAAAA champion The Knights lost in the second round of the state playoffs to eventual state champion Parkview High School. Centennial's first team state championship was won by the 2006 girls' varsity swim team. Centennial High School won the 2007 Georgia state championship in fencing. Centennial wrestling state champions include Chris Sample, Sam Konigsberg, and Brian St. James. The 2007 boys' varsity basketball team set a school record with a 21-game winning streak, and finishing 28−4. The team was crowned 2007 Region 6-AAAAA champion on February 17, beating Chattahoochee High School 56−47 in overtime. Both Centennial's boys' and girls' varsity cross country teams qualified for the state meet eight years in a row, from 2007 to 2013. In 2010, the boys' and girls' varsity teams both finished first at the regional meet. Senior Brooke Koblitz led the girls' race and broke the school record for 3.1 miles, finishing at 18:40. Junior