It's no secret that teachers play an essential role in shaping students' lives. That's why districts in almost every state are sounding the alarm on teacher shortages, as pre-pandemic attrition has escalated to a staffing crisis in schools. Nationwide, around about a quarter-million teachers (233,000 teachers) left the profession between 2019 and 2021, representing a 7% slash to the teaching force, according to a June 2022 Government Accountability Office (GAO) report.