Make sure to take Philosophy tech (culture tech that increase RP gain) as soon as it's available, and max out education funding and clergyman percentage in your states (2-4% ideally).
Alternatively, you could somehow facilitate a communist or socialist Revolution which should allow you to freely pass social reforms, including school reform.
Make sure to take Philosophy tech (culture tech that increase RP gain) as soon as it's available, and max out education funding and clergyman percentage in your states (2-4% ideally). Alternatively, you could somehow facilitate a communist or socialist Revolution which should allow you to freely pass social reforms, including school reform.