th ▁▁ 2 0 0 9 ▁– ▁ 4 7 4 th ▁of ▁ 4 9 8 ▁districts . ▁ 2 0 0 8 ▁– ▁ 4 2 9 th ▁ 2 0 0 7 ▁– ▁ 4 0 1 st ▁of ▁ 5 0 1 ▁school ▁districts ▁ ▁In ▁ 2 0 0 9 , ▁the ▁academic ▁achiev ement ▁of ▁the ▁students ▁at ▁Anti et am ▁School ▁District ▁ranked ▁in ▁the ▁bottom ▁ 8 th ▁percent ile ▁among ▁Pennsylvania ' s ▁ 5 0 0 ▁school ▁districts . ▁Sc ale ▁( 0 – 9 9 ; ▁ 1 0 0 ▁is ▁state ▁best ) ▁ ▁District ▁A Y P ▁status ▁history ▁In ▁ 2 0 1 1 ▁and ▁ 2 0 1 2 , ▁Anti et am ▁School ▁District ▁achieved ▁A de qu ate ▁Year ly ▁Progress ▁( A Y P ). ▁ ▁In ▁ 2 0 1 1 , ▁ 9 4 ▁percent ▁of ▁the ▁ 5 0 0 ▁Pennsylvania ▁public ▁school ▁districts ▁achieved ▁the ▁No ▁Child ▁Left ▁Be hind ▁Act ▁progress ▁level ▁of ▁ 7 2 % ▁of ▁students ▁reading ▁on ▁grade ▁level ▁and ▁ 6 7 % ▁of ▁students ▁demonstr ating ▁on ▁grade ▁level ▁math . ▁In ▁ 2 0 1 1 , ▁ 4 6 . 9 ▁percent ▁of ▁Pennsylvania ▁school ▁districts ▁achieved ▁A Y P ▁based ▁on ▁student ▁performance . ▁An ▁additional ▁ 3 7 . 8 ▁percent ▁of ▁Pennsylvania ▁public ▁school ▁districts ▁made ▁A Y P ▁based ▁on ▁a ▁calculated ▁method ▁called ▁safe ▁har bor ,