Education in States and Nations: 1991
*Figure represents the unweighted average of two cities, São Paulo and Fortaleza.
NOTE: State data are based on the size of classes reported by 8th-grade public school teachers. Data for countries, including the U.S. average, were obtained as follows: Administrators from schools with 13-year-old students who participated in the International Assessment of Educational Progress estimated the model size for a class at the grade level to which most 13-year-olds would be assigned.
SOURCE: Educational Testing Service, International Assessment of Educational Progress Learning Mathematics, Figure 5.2. U.S. Department of Education, , Schools and Staffing Survey, 1990-91.