Word that means make something available to all / to the working classes

Solution 1:

universalize

bring into universal use; make available for all.
attempts to universalize basic education

Kalam announced that a cess would be proposed on all central taxes to finance the commitment to universalise access to basic education.

It has been shown through research the world over that there are huge social benefits from universalizing elementary education.

Suppose you tried to universalize college education - how many people would actually go for it? Lexico

We humans do tend to aggrandize our planet, but as long as there isn't anyone around to complain, what the hey.

I had to look up cess: (in Scotland, Ireland, and India) a tax or levy. Lexico. Evidently you can tax a tax.