This practice is banned or extremely limited in 21 states. The 50 school districts maintain 194 registered seclusion rooms across 100 school buildings across the state, according to the records.

Authorities have not provided details of the nature of the investigation involving the district, which serves more than 500,000 students, nor have they accused Carvalho of any crimes.

Date &amp; Time: Wednesday, April 08, 2026 at 2 p.m. ET <br><br> In this 30-minute Ed Talk, an expert in K-12 AI policy and practice will explore ethical guidelines and how to maintain trust in student work. Attendees will also hear from a former admissions officer on what colleges actually trust in 2026 — and how districts can equip students with the AI fluency now expected in higher education and the workforce.