Whānau noticed the children's skin showing a blotchy discolouration.
Educators are having to be inventive as they deal with staff shortages.
Luda Shelton moved to New Zealand 16 years ago but most of her family are still in Ukraine.
Chamber of Commerce Chief Executive Matt Cowley told 1News the cities former council was an "embarrassment".
Te Tuinga Whanau Support Services chief executive Tommy Wilson and his team are going door-to-door dropping off cell phones, information packs, and pies.