About MSHSAA Job Openings This is no longer used. Back This Job Posting Is Expired or Removed Gateway Science Academy of St. Louis Head Boys Basketball Coach Posted on 8/16/2023 Gateway Science Academy of St. Louis, is accepting applications for a Boys' Head Basketball Coach for the 2023-2024 school year. Please email a letter of application and resume to Salih Cavdar at salih@gsastl.org.