Help me paraphrasing these sentences

Each branch has its very own power and duties to serve to the people and government. All three branches play a significant role in checks and balances and separation of powers, in our government and rely on each other to make sure that all of the power is equally distributed.

Education is deeply unequal in the United States, with students in poor districts performing at levels several grades  below those of children in richer areas.

A closer look reveals that the standard measure of economic disadvantage whether a child is eligible for a free or reduced-price lunch in school masks the magnitude of the learning gap between the richest and poorest children.