Last week I put up a post with charts showing total, per-pupil, public school spending between the 1999-00 and 2014-15 school years, as well as breaking out spending for a handful of states facing notable education unrest. Due to popular demand—if that’s what you call very mild comments from a few people on Twitter and Facebook—this post is going to break that spending into numerous subcategories used by the federal government in the tables that formed the bases for most of the charts. This post will only look at aggregate national data, but next week I’ll break down spending for those embattled states.
Looking at this inflation-adjusted chart, you can get a sense for how big numerous components of spending are relative to each other, and how they have moved over the 15-period. I won’t define all the categories—indeed, the federal definitions themselves are not entirely clear—but the two biggest ones