School shooting deaths in the United States since 2000 through 2019: 383 dead children.
https://nces.ed.gov/programs/digest/d20/tables/dt20_228.12.asp
Abortion deaths in the United States since 2000: 23,000,000 dead children approximately. https://www.pewresearch.org/short-reads/2023/01/11/what-the-data-says-about-abortion-in-the-u-s-2/