According to Carolyn Bucior, who is writing a memoir about substitute teaching, 5.2 percent of teachers nationwide are absent on any given day, a rate three times as high as that of other professionals and one and a half times higher than teachers in Britain. Regular full-time teachers receive 10 sick days per year, by collective bargaining agreement.
By the time a student completes 12th grade he has had substitute teachers for almost one year of his 13 years of schooling.
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