High schoolers are applying to a record-breaking number of colleges — frenzied by confusion over campus antisemitism, changing testing policies and the Supreme Court’s affirmative action ruling. Before the pandemic, Christopher Rim’s average client would apply to 12 schools. This application cycle, the college admissions consultant said, 90% of the students he works with are applying to 20 or more schools. “It’s an unprecedented number,” he said. “At some level, it’s becoming a lottery, and these kids just decide to cover all their bases. They’re just applying to as many schools as possible,” Rim, the CEO of Command Education, told...