Education: Relief Pitchers

In Cleveland's high schools, about one in ten of the teachers were laid low by flu. In at least five, classes hardly missed a recitation last week. The teachers' places had been taken by a posse of students. At Lincoln High the 17-year-old football captain taught English and gym. Pretty Stella Bymakos stepped to the head of English 10B, and a scholar muttered: "Why couldn't it have been this week instead of last that I had to stay after school?"

Stella and her fellow substitutes at Lincoln are members of the Future Teachers of America, who try to get their hands in...