A student from the Thomazia Montoro public school lights a candle during a vigil asking for peace the day after a student stabbed a teacher to death at the school in Sao Paulo, Brazil, March 28, 2023. Brazil is grappling with a wave of violence in its schools. The government has sought input from independent researchers and convened a meeting on Tuesday, April 18, 2023, of ministers, mayors and Supreme Court justices to discuss possible solutions. (AP Photo/Andre Penner, File)
