Versions of Iowa Code 257.9 - State cost per pupil on LawServer 2023 Iowa Code 257.9 – State cost per pupil 2022 Iowa Code 257.9 – State cost per pupil 2020 Iowa Code 257.9 – State cost per pupil 2018 Iowa Code 257.9 – State cost per pupil 2016 Iowa Code 257.9 – State cost per pupil 2014 Iowa Code 257.9 – State cost per pupil. 2009 Iowa Code 257.9 – State cost per pupil