Organization Y-Koda Nature School 4k at Maywood Web Address https://sheboygancountyymca.org/camp-y-koda/y-kodanatureschool.html Y-Koda Nature School 4k is a three way partnership between Sheboygan Area School Districta and Maywood Environmental Park. Students learn through the lens of nature on the beautiful property at Maywood. Children spend 50% of their day outdoors.