▁as ▁five ▁grade ▁school ▁districts , ▁each ▁with ▁its ▁own ▁board ▁and ▁tax es , ▁and ▁each ▁represented ▁on ▁a ▁Union ▁High ▁School ▁board . ▁ ▁The ▁system , ▁including ▁the ▁board ▁of ▁town ship ▁school ▁trust ees , ▁was ▁replaced ▁by ▁organ izing ▁a ▁single ▁Rock ▁Island ▁School ▁District ▁under ▁a ▁state ▁char ter ▁issued ▁on ▁February ▁ 1 8 , ▁ 1 8 5 7 , ▁and ▁including ▁all ▁of ▁fraction al ▁Township ▁ 1 8 ▁North , ▁Range ▁ 2 ▁West ▁of ▁the ▁Four th ▁Princi pal ▁Mer id ian ▁plus ▁all ▁of ▁the ▁city ▁of ▁Rock ▁Island , ▁and ▁providing ▁that ▁the ▁district ▁would ▁an nex ▁any ▁territory ▁an nex ed ▁into ▁the ▁city ▁of ▁Rock ▁Island ▁or ▁requested ▁by ▁a ▁three ▁qu arters ▁of ▁the ▁vot ers ▁in ▁a ▁territory . ▁ ▁School s ▁The ▁Rock ▁Island - Mil an ▁School ▁District ▁is ▁currently ▁home ▁to ▁th ir teen ▁schools . ▁One ▁high ▁school , ▁two ▁junior ▁high ▁schools , ▁nine ▁elementary ▁schools , ▁and ▁one ▁alternative ▁education ▁center . ▁ ▁High ▁school ▁ ▁Rock ▁Island ▁Senior ▁High ▁ ▁Junior ▁High ▁schools ▁ ▁Ed ison ▁Junior ▁High ▁ ▁Washington ▁Junior ▁High ▁ ▁Element ary ▁schools ▁ ▁Earl ▁Hans on ▁Element ary ▁ ▁Eug ene ▁Field ▁Element ary ▁ ▁R idge wood ▁Element ary ▁ ▁Den k mann ▁Element ary ▁ ▁Long f ellow ▁Element ary ▁ ▁Francis ▁Will ard ▁Element ary ▁ ▁Thomas ▁Jefferson ▁Element ary ▁ ▁Rock ▁Island ▁Academy ▁ ▁Rock ▁Island ▁Center ▁for ▁Math ▁and ▁Science