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Centennial High School is a public high school in Las Cruces , New Mexico , United States , and serves approximately 1,400 students in grades 9-12 .. Las Cruces. Las Cruces, New Mexico. New Mexico. New Mexico. high school. High school#United States. Construction on the school began in September 2009 , was completed and opened for the beginning of the 2012-2013 school year .. The first graduation commencement for Centennial High School was held in the Spring of 2014 including both a valedictorian and a salutatorian .. valedictorian. valedictorian. salutatorian. salutatorian. The campus includes a personal office for each faculty member ; an Autism Student Center which is utilized by all the other schools in the district ; and a cyber-cafe , which is open to students during non-academic hours .. Autism. Autism. cyber-cafe. Internet cafe. Each grade level is assigned its own building cluster within the campus and has a designated lunch eating area .. While sophomores , juniors , and seniors are fully integrated , freshmen are `` segregated '' to slowly integrate each student to the school campus , for safety concerns , and to prevent hazing and bullying .. The school employs eighty-two instructors , and has adopted the stacked or blended-block class scheduling format .. Students take odd period courses on Mondays and Wednesdays , even period courses on Tuesdays and Thursdays , and all classes on Fridays -LRB- classes on Fridays are reduced in time length -RRB- .. Centennial High School is currently in the process of installing a Marine Corps JROTC program , scheduled to begin in 2015 .. JROTC. Junior Reserve Officers' Training Corps