EditorialMichelle Liwacz, top, leads her first grade class on a lesson about cause and effect at Slackwood Elementary in Lawrence Township, N.J. on May 31, 2023. (Desiree Rios/The New York Times)
EditorialMichelle Liwacz, top, leads her first grade class on a lesson about cause and effect at Slackwood Elementary in Lawrence Township, N.J. on May 31, 2023. (Desiree Rios/The New York Times)
EditorialMichelle Liwacz, top, leads her first grade class on a lesson about cause and effect at Slackwood Elementary in Lawrence Township, N.J. on May 31, 2023. (Desiree Rios/The New York Times)
EditorialMichelle Liwacz, top, leads her first grade class on a lesson about cause and effect at Slackwood Elementary in Lawrence Township, N.J. on May 31, 2023. (Desiree Rios/The New York Times)
EditorialMichelle Liwacz, top, leads her first grade class on a lesson about cause and effect at Slackwood Elementary in Lawrence Township, N.J. on May 31, 2023. (Desiree Rios/The New York Times)
EditorialMichelle Liwacz, top, leads her first grade class on a lesson about cause and effect at Slackwood Elementary in Lawrence Township, N.J. on May 31, 2023. (Desiree Rios/The New York Times)
EditorialMichelle Liwacz, top, leads her first grade class on a lesson about cause and effect at Slackwood Elementary in Lawrence Township, N.J. on May 31, 2023. (Desiree Rios/The New York Times)
EditorialMichelle Liwacz, top, leads her first grade class on a lesson about cause and effect at Slackwood Elementary in Lawrence Township, N.J. on May 31, 2023. (Desiree Rios/The New York Times)
EditorialMichelle Liwacz, top, leads her first grade class on a lesson about cause and effect at Slackwood Elementary in Lawrence Township, N.J. on May 31, 2023. (Desiree Rios/The New York Times)
EditorialMichelle Liwacz, top, leads her first grade class on a lesson about cause and effect at Slackwood Elementary in Lawrence Township, N.J. on May 31, 2023. (Desiree Rios/The New York Times)
EditorialMichelle Liwacz, top, leads her first grade class on a lesson about cause and effect at Slackwood Elementary in Lawrence Township, N.J. on May 31, 2023. (Desiree Rios/The New York Times)
EditorialMichelle Liwacz, top, leads her first grade class on a lesson about cause and effect at Slackwood Elementary in Lawrence Township, N.J. on May 31, 2023. (Desiree Rios/The New York Times)
EditorialMichelle Liwacz, top, leads her first grade class on a lesson about cause and effect at Slackwood Elementary in Lawrence Township, N.J. on May 31, 2023. (Desiree Rios/The New York Times)
EditorialMichelle Liwacz, top, leads her first grade class on a lesson about cause and effect at Slackwood Elementary in Lawrence Township, N.J. on May 31, 2023. (Desiree Rios/The New York Times)