All of it is to blame. Affirmative Action is color or gender preference for anyone other than white males. White males have been under attack by the government for 40 years and under obola it got a lot worse.
And California is looking to take it further - to make it harder to expel problem students from state-subsidized preschools. https://www.dailynews.com/2017/11/09/california-moves-to-curtail-expelling-children-from-preschool-yes-preschool/