arten ▁School ), ▁is ▁used ▁to ▁refer ▁to ▁the ▁school ing ▁children ▁attend ▁from ▁ 3 ▁to ▁ 6 ▁years ▁of ▁age . ▁The ▁names ▁of ▁the ▁levels ▁are ▁nur ser y , ▁sh ish u ▁( children ), ▁etc . ▁But ▁the ▁view ▁of ▁kind erg arten ▁education ▁has ▁changed ▁much ▁from ▁previous ▁years . ▁Al most ▁every ▁rural ▁area ▁now ▁has ▁at ▁least ▁one ▁Kinder g arten ▁School , ▁with ▁most ▁being ▁run ▁in ▁the ▁Beng ali ▁language . ▁They ▁also ▁follow ▁the ▁text books ▁published ▁by ▁the ▁National ▁C urr icul um ▁and ▁Text book ▁Board ▁( N CT B ) ▁with ▁a ▁light ▁modification , ▁adding ▁some ▁extra ▁books ▁in ▁the ▁sy ll ab us . ▁The ▁gr ades ▁generally ▁start ▁from ▁Nur ser y ▁( s ometimes ▁" Play ▁Group "), ▁" K G " ▁afterwards , ▁and ▁ends ▁with ▁the ▁ 5 th ▁grade . ▁Se par ate ▁from ▁the ▁National ▁Education ▁System , ▁kind erg arten ▁is ▁contrib uting ▁greatly ▁toward ▁ach ieving ▁the ▁Mill en ni um ▁Development ▁Go al ▁of ▁universal ▁primary ▁education ▁in ▁Bang l adesh . ▁ ▁Bulg aria ▁ ▁In ▁Bulg aria , ▁the ▁term ▁det ska ▁grad ina ▁( де τ ска ▁гра дина ) ▁refers ▁to ▁the ▁car ing ▁and ▁school ing ▁children ▁attend ▁from ▁ 3 ▁to ▁ 7 ▁( in ▁some ▁cases ▁ 6 ) ▁years ▁of ▁age . ▁Usually ▁the ▁children ▁attend ▁the ▁" det ska ▁grad ina " ▁from ▁the ▁morning ▁until ▁late ▁afternoon ▁when