Examines the measurement of class size and a related measure, the student-teacher ratio, and considers the variations across states in class size and student-teacher ratios. Student-teacher teacher ratios are consistently lower than average class size because class-size figures do not reflect the use of specialized teachers or those who work in…

Discusses research (Tennessee Study of Class Size) that determined the effects of smaller class size in the earliest grades on short- and long-term pupil performance. The 4-year study assessed the performance of over 6,500 students who attended K-3 classrooms having differing numbers of students and found evidence of short- and long-term benefits…