In a Nov. 12 ceremony at the school’s auxiliary gymnasium, three superlative Islip High School senior student-athletes signed national letters of intent to play college sports this fall. Conor Julich will play lacrosse for Wagner College in Staten Island, Thomas Mai will play lacrosse for the State University of New York College at Cortland and Kerin Spadaro will join the gymnastics team at Saint Leo University in St. Leo, Florida.