Most likely only those who need it will take it, and making it available to everyone makes it simpler to manage. I went to a public school in Uruguay and we ha

Most likely only those who need it will take it, and making it available to everyone makes it simpler to manage. I went to a public school in Uruguay and we had a daily free meal (not really lunch, it was more of a snack, school ran 13 to 17 for me) and I never went to get mine, but I always had a couple of classmates who didn't get a square lunch at home and they went to get that.