Are teachers leaving the classroom en masse?

With schools reopening across dozens of states this month, some education leaders are ringing the alarm: There aren’t enough teachers to fill open positions right now.

In Texas, teachers are deserting the classroom at high rates, with Houston alone reporting nearly 1,000 vacancies in early August. In Maryland, more than 5,500 teachers reportedly left the profession in 2022, leaving Baltimore with an estimated 600 to 700 vacancies going into the fall.

Department of Education officials in Pennsylvania are calling that state’s shortage a “crisis,” and experts there say the state will need “thousands” of new teachers by 2025....