The numbers of woody plant species growing in school grounds (elementary school, junior high school and high school) were surveyed in Hiratsuka City, Hadano City and the town of Oiso and Ninomiya in Kanagawa Prefecture. Representative of the 157 species of 58 plant families examined in school grounds in this study were Camellia spp., Ilex crenata, Rhododendron spp., Juniperus chinensis cv. Pyramidaris, Hydrangea spp., Prunus spp., Ginkgo biloba, Camellia sasanqua, Pinus thunbergii, Podocarpus macrophyllus and Acer palmatum. The average numbers of woody plant species examined in elementary school, junior high school and high school were 53.8, 47.2 and 43.6 species, respectively. The practical use for environmental education of the woody plants found growing in school grounds was discussed.