Nile Garden School Principal Deborah Noceti barely missed dying her hair green. But four years ago, former principal Joseph Cook shaved his head.It was all for a good cause – to encourage the students to achieve academic excellence. The former and current Panther principals challenged their students that if they reached a certain level in the API (Academic Performance Index) scores, they would fulfill the outrageous things that they promised to do.The students delivered four years ago, the year after Cook retired.