At the end of the 1980–1981 school year neighboring Oscar T. Hawke elementary school closed and the building became part of the Tecumseh High School campus at the beginning of the 1981–1982 school year. This was part of a major re-organization of the school district which included the closing of McAdams Elementary, and New Carlisle Elementary which had occupied the original New Carlisle High School. Also at that time ninth grade was moved from the junior high schools to the high school creating a four-year high school program. Additionally, sixth grade was moved from the elementary schools to the junior high buildings and the junior highs were changed to the middle school format of sixth, seventh, and eighth grades.