Are falling birthrates shrinking public school enrollment?
Core argument: U.S. K-12 public school enrollment totaled 48.8 million students in the 2025-26 school year, down 3.7% from 2017-18, according to Georgetown professor Marguerite Roza’s analysis of federal data.
Annual births in the U.S. have fallen off since peaking in 2007. Today’s kindergarten enrollment declines reflect the “missing” births of five to six years earlier. Enrollment at K-12 public schools totaled 48.8 million students in the 2025-26 school year, down 3.7% from 2017-18, according to [Marguerite Roza, a Georgetown professor] analysis of federal data. Demographers like her expect the decline to continue, even accelerate, because of lower birthrates.


