plotter

plotter - noun

a planner who draws up a personal scheme of action

a clerk who marks data on a chart

a member of a conspiracy

an instrument (usually driven by a computer) for drawing graphs or pictures

plotter - thesaurus

Scrabble score = 9

"I ran the trial with a small group of students over three weeks before the summer holidays," she says. "I quickly saw the benefits, and signed up."

King's Leadership Academy, Warrington