Charles Arellano is serving an Assistant Principal overseeing Curriculum and Instruction in the administrative department at Northglenn High School. The 2021-2022 school year will be his second year as an A.P. at Northglenn. Charles is eager to work with the students and is looking forward to expanding his current knowledge of the educational system. Prior to his Assistant Principal postition, Charles served as a Dean of Students at Northglenn for two years and a Mathematics instructor at Horizon High School for four years; also in the Adams 12 Five Star School district.