Major Guillermo A. Renteria has been the Senior Army Instructor at Thomas Jefferson High School for the past 18 years. He graduated from Jefferson in 1970. He received an Army Senior ROTC scholarship and attended the University of Texas at El Paso. He served 20 years in the Army and retired in 1994. He returned to Jefferson as the Senior Army Instructor in 1996.
Army Instructor
SFC Arispe has been the Army Instructor at Thomas Jefferson High School for the past 15 years. He served 21 years in the U.S. Army before he retired. He is a Vietnam War Veteran and served with the Armored Cavalry Regiment, Signal Corps and Military Intelligence Units. Attended NCO Academy, Signal Basic NCOES, Signal Advance NCOES, and First Sergeant Course.