, ▁below ▁the ▁national ▁average ▁of ▁ 3 3 . 0 . ▁ ▁In ▁ 2 0 0 6 ▁the ▁school ▁system ▁had ▁ 5 ▁schools ▁and ▁ 7 8 8 ▁students . ▁ ▁There ▁was ▁one ▁middle ▁school ▁with ▁ 1 7 0 ▁students . ▁ ▁In ▁ 2 0 0 0 ▁the ▁adult ▁liter acy ▁rate ▁was ▁▁ 8 4 . 3 %, ▁below ▁the ▁national ▁average ▁of ▁ 8 6 . 4 %. ▁ ▁Rank ing ▁on ▁Development ▁Index es ▁Municipal ▁Human ▁Development ▁Index ▁Nova ▁I gu a çu ▁de ▁Go i ás ▁is ▁ranked ▁ 1 6 6 ▁out ▁of ▁ 2 4 2 ▁municipal ities ▁on ▁the ▁M H DI - M . ▁M H DI : ▁▁ 0 . 7 2 3 ▁State ▁ranking : ▁▁ 1 6 6 ▁( out ▁of ▁ 2 4 6 ▁municipal ities ) ▁National ▁ranking : ▁▁ 2 , 5 7 1 ▁( out ▁of ▁ 5 , 5 0 5 ▁municipal ities ) ▁ ▁Index ▁of ▁Econom ic ▁Development ▁( Se plan ▁ 2 0 0 1 ) ▁ 2 2 9 / 2 4 6 ▁municipal ities . ▁ ▁See ▁Se plan ▁ ▁Index ▁of ▁Social ▁Development ▁( Se plan ▁ 2 0 0 0 ) ▁ 2 4 0 / 2 4 6 ▁municipal ities . ▁ ▁See ▁Se plan ▁ ▁See ▁also ▁ ▁List ▁of ▁municipal ities ▁in ▁Go i ás ▁ ▁References ▁ ▁Fr igo let to ▁ ▁Category : M unicip al ities ▁in ▁Go