Use "mortarboard" in a sentence

1. school graduation photo and mortarboard tassel were still propped on the

2. in a plain cassock and mortarboard, his head and collar back to the front, holds over the celebrant's head an open umbrella

3. ONE WEEK LATER, I watched Pete Thomas as he tore across a manicured university lawn like a scarecrow in a stolen mortarboard and black academic gown

4. 1983, I graduated from high school at the age of twenty, by far the oldest senior tossing his mortarboard on the football field that day

5. He motioned for me to wear my mortarboard, and took a picture of me with the school's clock tower in the background