Our previous athletic registration has been updated to Arbiter Sports. All families, returning and new, will need to set up a NEW family account for the 2025-2026 school year. All athletes must be registered on Arbiter and have a valid physical on file with the athletic office prior to their tryout date.   ** Boys and Girls Diving and Swimming Sponsor: Rachel Mudloff **Grayslake Central does not sponsor an official swimming and diving team. However, students who train and compete independently are eligible to represent GC...