>>2135466>pre-civil war school enrollment ratesPre-civil war enrollment rates for which country? Because for the USSR that's probably because most people were busy trying to reconstruct the economy and were thus only able to go to things like Lik-Bez or Night School that wasn't counted as enrollment but provided education.
>Education private until 1950Again for what country? In the USA Public schools existed since the 19th century and the USSR was against privatization, with public education being a right for people from the beginning.