National Federation of State High School Associations NFHS NFHS National Federation of State High School Associations National High School Federation (NHFS) wikipedia National Federation of State High School Associations NFHS National High School Federation (NHFS) NFHS National High School Federation (NHFS) National Federation of State High School Associations NFHS NFHS NFHS National Federation of State High School Associations National Federation of State High School Associations NFHS National Federation of State High School Associations National Federation of State High School Associations NFHS NFHS NFHS National Federation of State High School Associations National Federation of State High School Associations