Kindergarten Enrollment Children must be 5 years old by September 1, 2014 in order to enter kindergarten.  This is a change for ACS that the Board approved.  This date aligns ACS with the state mandated age.  The Kindergarten Readiness ACT, signed into law in 2010, changed the entry date to September 1. Transitional Kindergarten Transitional Kindergarten (TK) was also created by this new California law, the Kindergarten Readiness Act.   TK provides an educational opportunity for children who turn 5 years old in the fall, specifically from September 1 to Dec 1.  TK classes have been available in public education for a couple of years.  AtRead More →