Spending since then has only increased ~20%, though. [1] That is not adjusted for inflation, which since 1996 was an impressive 67.58%.

[1] https://www.usgovernmentspending.com/education_spending

AS a portion of GDP, US K-12 education spending

  2000: 3.7%
  2005: 3.8%
  2009: 4.0%
  2012: 3.6%
  2015: 3.5%

https://data.oecd.org/eduresource/education-spending.htm

France and UK spend more in the G7, Canada, Germany, Italy and Japan spend less.

US defense spending

  2000: 3.0%
  2005: 3.9%
  2009: 4.6%
  2012: 4.2%
  2015: 3.3%

https://data.oecd.org/gga/general-government-spending.htm

I was surprised to be honest. US spending on defense is way down on most of the 70s and 80s (6%ish, lowest was 78 with 4.9%)