Today is the deadline for Island students, grades one through eight, to enter the Mom of the Year essay writing contest. The contest, in conjunction with the Edgartown Board of Trade and Pink and Green Weekend, will award three winning prizes—one each in grades one to three, four to six and seven to eight. The winning essays will be recognized and read at the Harbor View Hotel’s Mother’s Day brunch on Sunday, May 13, at 11 a.m.