▁to ▁the ▁age ▁of ▁three . ▁These ▁n urs es ▁are ▁supported ▁and ▁super vised ▁by ▁local ▁authorities . ▁ ▁The ▁term ▁ ▁(" pre - school ") ▁is ▁used ▁both ▁for ▁educational ▁efforts ▁in ▁ ▁and ▁for ▁a ▁mand atory ▁class ▁that ▁is ▁usually ▁connected ▁to ▁a ▁primary ▁school . ▁Both ▁systems ▁are ▁handled ▁differently ▁in ▁each ▁German ▁state . ▁The ▁ ▁is ▁a ▁type ▁of ▁. ▁ ▁Greece ▁ ▁In ▁Greece , ▁a ▁kind erg arten ▁is ▁called ▁n ip i agog io ▁( ν η π ι α γ ω γ ε ί ο ). ▁The ▁kind erg arten ▁is ▁a ▁form ▁of ▁pr esch ool ▁and ▁may ▁be ▁referred ▁to ▁inter change ably ▁as ▁pr esch ool . ▁ ▁Hong ▁Kong ▁ ▁Pre - primary ▁Services ▁in ▁Hong ▁Kong ▁refers ▁to ▁provision ▁of ▁education ▁and ▁care ▁to ▁young ▁children ▁by ▁kind er gart ens ▁and ▁child ▁care ▁cent res . ▁Kinder gart ens , ▁registered ▁with ▁the ▁Education ▁Bureau , ▁provide ▁services ▁for ▁children ▁from ▁three ▁to ▁six ▁years ▁old . ▁Child ▁care ▁cent res , ▁on ▁the ▁other ▁hand , ▁are ▁registered ▁with ▁the ▁Social ▁W elf are ▁Department ▁and ▁include ▁nur series , ▁c ater ing ▁for ▁children ▁aged ▁two ▁to ▁three , ▁and ▁cre ches , ▁looking ▁after ▁inf ants ▁from ▁birth ▁to ▁two . ▁ ▁At ▁present , ▁most ▁of ▁the ▁kind er gart ens ▁operate ▁on ▁half - day ▁basis ▁offering ▁upper , ▁lower ▁kind erg arten ▁classes ▁and ▁nur ser y ▁classes .