PITTSBURG, Kan. — After 37 years as an educator, Dr. Brad Hanson is stepping down as the assistant superintendent of USD 250, effective in July. His position will be filled by Principal Ann Lee, an accomplished teacher and administrator, who is moving up to the district office from Lakeside Elementary. Hanson is a 1981 graduate of Pittsburg High School, one of the first classes to graduate from the current facility on East 4th Street.