The “Cat in the Hat” Threat Wave: 1,239 School Impacts

The national snapshot for August 1 through November 10, 2026 identifies 144 Cat-in-the-Hat threat incidents, associated with 1,239 school impacts and 684,679 student impacts. TDR estimates $13.27 million in lost-instruction and modeled mental-health impact.

Fewer Disruptions, More Instruction.

Complete this short form to access both updated national one-page reports: the Cat-in-the-Hat impact brief and the all-school-threats sheet comparing 2026 with the same dates in 2025, covering 1,861 incidents, 4,137 school impacts, 4,509,887 student impacts and $165.94 million in estimated impact for August 1–November 10, 2026 (1,159 incidents over the same dates in 2025).

Updated November 11, 2026. School and student impacts may repeat across incidents; these are not unique totals. Estimates use stated durations when available and approved defaults otherwise. Preliminary figures remain subject to audit.

Read the related press release and findings (October 31, 2026).

Access both national one-page reports for August 1–November 10, 2026: the Cat-in-the-Hat brief (144 incidents, 1,239 school impacts, 684,679 student impacts; $13.27M estimated impact) and the all-school-threats 2026 vs 2025 comparison (1,861 incidents, 4,137 school impacts, 4,509,887 student impacts; $165.94M estimated impact; 1,159 incidents over the same dates in 2025), plus additional TDR reports. Preliminary figures remain subject to audit.

Name(Required)
Optional — helps us understand which audiences are using this research.
Reports of Interest
Optional — select any reports most relevant to your work. All reports remain available after submission.

We will use your information to provide the report and respond to related questions.