Solicitor Rhian Morgan said the action was being brought under the Law of Private Nuisance on the grounds of the residents having "unreasonable interference with enjoying their property".
"Relative poverty counts - without these targets the poorest families and children will fall further and further behind, " said Rhian Beynon, head of policy and campaigns at Family Action.
Rhian Jones, a teacher at Ysgol Botwnnog in Pwllheli, Gwynedd, said the secondary school had set up a boys' reading group because staff felt they were falling behind the girls.