For example,
- statewide standardized testing dates to 1920,
- schools started to be built in the 1920s,
- education inequality was first studied in 1927,
- homework started being used seriously only the late 1950s and early 1960s, and
- 1966's Project Concern was an attempt to racially desegregate schools
For more information on these items plus many other highlights, read the full report.