There is a law in Ukraine that children of IDPs have the right to free meals...

Not legal.

The benefit applies to children who have an IDP certificate or the status of a child affected by war.

You can appeal the refusal of free meals for children of immigrants by contacting:

to the department of education at the place of actual residence, to which the educational institution is subordinate;

to the Ministry of Education of Ukraine in a convenient way for you (contacts: 01135, Kyiv city, Peremogy Avenue, 10, e-mail: mon@mon.gov.ua, phone: +38 (044) 481-32-21).

to the government's free hotline - 1545