If you grew up in Genesee County, chances are that's exactly how you remember it. READ MORE: Michigan School District Pleads With Parents to Stop Smoking PotThe 2026-2027 school year is about to begin across Genesee County, but there's no single day when every student heads back. Among the 21 public school districts that make up the Genesee Intermediate School District, just over half will welcome students back on Monday, August 24. First Day of School in Genesee County by District The first day of school varies from district to district by several weeks. Here are the dates by each Genesee County school district.