55K+Unfilled teaching positions in US schools (2024)
80%Increase in emergency-certified (underqualified) teachers since 2019
49%Decline in teacher preparation program enrollment since 2009
$15KTeacher pay gap vs comparable college-grad professions (annually)
There aren't enough teachers. Over 55,000 classrooms either have no teacher or have someone filling in who isn't fully trained. This is happening because being a teacher is hard, stressful, and pays much less than other jobs that require a college degree. Fewer people are choosing to become teachers, so schools are desperate — and kids, especially in low-income areas, are getting the worst of it.
The teacher shortage has multiple causes: low pay relative to other college-grad careers (average $15,000/year gap), poor working conditions (lack of support, student discipline challenges), political attacks on teachers and curriculum, and COVID-era burnout. Teacher prep program enrollment fell 49% from 2009-2019. The consequences are worst in STEM, special education, and English learner classrooms — and disproportionately affect high-poverty schools. Emergency certification is a band-aid that reduces student learning outcomes.
Learning Policy Institute (2022): 55,000 vacancy estimate based on state-reported shortage data + modeling for unreported. Teacher pay penalty (EPI 2023): college-educated women 33.6% pay penalty vs comparable professions; men 22.9%. NCTAF/Learning Policy Institute: teacher retention crisis — 44% of new teachers leave within 5 years. Research on teacher quality: Chetty, Friedman & Rockoff (2014) QJE — 1 SD improvement in teacher value-added raises student lifetime earnings $39,000. Emergency certification: 0 preparation → immediate classroom placement; Darling-Hammond (2000) shows emergency cert teachers have worse outcomes than fully certified. Special ed vacancy rate: 48% of special ed positions unfilled or filled by uncertified (EdWeek 2023).
Learning Policy Institute: learningpolicyinstitute.org/topic/teacher-shortage. Darling-Hammond's teacher shortage research: stanford.edu/group/learningpolicyinstitute. EPI teacher pay penalty: epi.org/publication/teacher-pay-penalty-dips-but-persists. NCES Schools and Staffing Survey. EdWeek Research Center 2023 State of Teaching survey. Chetty et al. (2014) QJE 129(3):1593-1660. Teacher preparation enrollment: Title II state reports: title2.ed.gov. State emergency certification data: Learning Policy Institute State Data Explorer.
The Vacancy Map — Worst Subjects, Worst States
The shortage isn't uniform. STEM, special education, and English learner classrooms are most affected. Rural and high-poverty schools are hardest hit.
Teacher Vacancy Rate by Subject (2023–24)
% of positions unfilled or filled by emergency/long-term-sub coverage
Teacher Prep Enrollment Collapse (2009–2023)
Fewer people entering the pipeline means the shortage will worsen
Teacher Pay Penalty vs Comparable Professions
Annual earnings gap for college-educated teachers vs peers (2023)
Who Bears the Cost
Research consistently finds that having a qualified, effective teacher is the single most important in-school factor in student achievement. A good teacher raises student lifetime earnings by $39,000. An empty classroom or under-prepared substitute raises it by nothing. The 55,000 vacancies fall disproportionately on high-poverty schools that can't compete with better-funded districts on pay. Children in the highest-need schools face the worst teacher shortage. The inequality compounds every year.
Sources
Learning Policy Institute Teacher Shortage Report (2024) · EPI Teacher Pay Penalty Report (2023) · EdWeek Research Center State of Teaching Survey (2023) · Chetty, Friedman & Rockoff, Quarterly Journal of Economics (2014) · NCES Schools and Staffing Survey · Title II Teacher Quality State Reports