OpenIntro features a number of free books that can be used in high school and AP statistics courses. The license on these datasets is currently unknown. You can find out more about OpenIntro at https://www.openintro.org.
Simulated sample of parent / teen college attendance
A simulated data set based on real population summaries.
teen - Whether the teen goes to college or not.
parents - Whether the parent holds a college degree or not.