The phrase "school grounds" refers to the outdoor area of a school, including the surrounding land, fields, playgrounds, and buildings where students learn and play. Full definition
There have been 17 shootings on school grounds in 2018 alone; 8 of these being intentional and during school hours. (parentingbydrrene.com)
Most likely it was outside playing with friends and family, exploring your garden, being on a holiday, playing in school grounds, going on camp etc.. (educationmattersmag.com.au)
Schools often struggle to find the resources needed for effective maintenance of school grounds, but it is by far the most important risk management strategy when considering potential injury to children. (educationmattersmag.com.au)