Schools in Saint Charles, IA Martensdale-St Marys School151 Iowa StSaint Charles, IA, 502406412972360Catholic SchoolsPrivate Schools K 12St Mary's High School Hutton Valley School-Taxidermy2514 Victory LnSaint Charles, IA, 502406413962760Hutton And CoHutton Valley School Of TaxidermyTaxidermists Show MoreSee AlsoHigh SchoolsPrivate Schools (K-12)