Congressional Budget Office Cost Estimate: H.R. 4301, School Shooting Safety and Preparedness Act [open pdf - 113KB]
This is the Congressional Budget Office Cost Estimate as ordered reported by the House Committee on Education and Labor on September 18, 2019. From the Document: "H.R. 4301 would require the Secretary of Education, in coordination with the Attorney General and the Secretary of Health and Human Services, to publish an annual report on school crime and safety, including statistics on school shootings."
Congressional Budget Office: http://www.cbo.gov/