Schools in Greenfield, IA East Elementary School324 NW 2nd StGreenfield, IA, 508496417436136Elementary Schools Greenfield Superintendent410 NW 2nd StGreenfield, IA, 508496417436127Schools Nodaway Valley High School410 NW 2nd StGreenfield, IA, 508496417436141High Schools Show MoreSee AlsoElementary SchoolsHigh Schools