▁Nothing ▁ri ot ers ▁destroyed ▁the ▁school ▁and ▁convent ▁in ▁Philadelphia , ▁causing ▁Father ▁Don ag ho e ▁to ▁leave ▁Philadelphia ▁and ▁join ▁the ▁sister s . ▁ ▁The ▁St . ▁Joseph ' s ▁Pra irie ▁Home ▁site ▁was ▁selected ▁in ▁ 1 8 4 5 ▁about ▁eight ▁miles ▁south west ▁of ▁Dub u que ▁and ▁the ▁school ▁was ▁completed ▁in ▁ 1 8 4 6 . ▁It ▁remained ▁on ▁the ▁pra irie ▁until ▁ 1 8 5 9 , ▁when ▁need ing ▁more ▁room ▁for ▁nov ices , ▁the ▁sister s ▁re located ▁the ▁school ▁to ▁Dub u que . ▁The ▁sister s ▁established ▁schools ▁throughout ▁Iowa ▁and ▁Wisconsin ▁and ▁by ▁ 1 8 6 7 ▁vent ured ▁into ▁Chicago . ▁Father ▁Don ag ho e ▁died ▁in ▁ 1 8 6 9 ▁and ▁Clar ke ▁immediately ▁incorpor ated ▁the ▁con greg ation ▁and ▁applied ▁for ▁pap al ▁appro val ▁of ▁the ▁order . ▁On ▁the ▁ 1 5 ▁September ▁ 1 8 7 7 , ▁Pope ▁P ius ▁IX ▁issued ▁the ▁Dec ree ▁of ▁App rob ation ▁giving ▁the ▁order ▁a ▁temporary ▁appro val ▁good ▁for ▁six ▁years . ▁In ▁ 1 8 8 1 , ▁St . ▁Mary ' s ▁Academy ▁was ▁re located ▁to ▁the ▁present ▁site ▁of ▁Clar ke ▁University ▁and ▁renamed ▁Mount ▁St . ▁Joseph ▁Academy . ▁Clar ke ▁continued ▁to ▁push ▁for ▁full ▁appro val ▁of ▁the ▁order ' s ▁constitution , ▁which ▁was ▁granted ▁on ▁ 1 5 ▁March ▁ 1 8 8 5 ▁by