Shortages of teachers are often most acute in certain fields, particularly bilingual/English as a Second Language, special education, mathematics, Spanish, and the physical sciences. Sometimes students are taught by a revolving door of substitutes. Other times students from the affected class are added temporarily or permanently to different classes, thereby increasing class size. When substitutes are not available, which is frequently the case, other teachers may be assigned to “cover� the class during their preparation periods, a practice which solves the immediate problem but has long-term consequences for staff morale and attendance when teachers become exhausted and frustrated. It is difficult to ask students to take their education seriously when their school appears incapable of providing them with a regular teacher.
The most common vacancy areas were special education and middle school classroom teacher. While some vacancies may seem miniscule, it is not minor from the perspective of the students without teachers. The highest-poverty schools are most likely to have teachers hired after the