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Education in States and Nations: 1991

(ESN) Figure 20b: Number of days per year spent in formal instruction, by country (1991) and state (1990-91)

*Figure represents the unweighted average of two cities, São Paoulo and Fortaleza

SOURCE: U.S. Department of Education, National Center for Education Statistics, Schools and Staffing Survey, 1990-91 (based on Table 49-3 in the Condition of Education, 1993). Educational Testing Service, International Assessment of Education Progress, Learning Mathematics, Figure 5.2.

Figure 20a Processes and Institutions Indicators Figure 20c