Approved School Calendar for 2022-2023 School Year Home > News > Approved School Calendar for 2022-2023 School Year For a peek ahead to the next school year, here is the GCCS School Calendar 2022-2023 Also, please take time to read this School Calendar Memo which outlines some important changes to our arrival and dismissal times, and early release days for both Genesee Community Charter School and Genesee Community Charter School – Flour City. For Flour City’s School Calendar, click here, or visit the GCCS -Flour City web page.