Jul 10,  · Jefferson City School District; Welcome Packet ; School Calendar. JC Schools Student Calendar Updated pdf, KB; (Last Modified on . 2nd QTR Oct 21 - Dec 20 Wk of Nov 14 Jan. 10 2nd Quarter - Safe Schools Online Training #4 3rd QTR Jan 7 - Mar 14 Wk of Feb 6 Apr. 3 3rd Quarter - Parent Teacher . Skip to Main Content. CLOSE. CLOSE.