A tassel securing graduate cap device inhibits undesired movement or positioning of a tassel while wearing a graduation cap. The device includes a board coupled to a skull cap. The board has a perimeter edge. A line has a first end coupled to the board and a second end coupled to a tassel such that the line extends over the perimeter edge of the board. A slot extends into the perimeter edge of the board. The line is positionable in the slot wherein the slot inhibits sliding of the line along the perimeter edge of the board.