On a beautiful fall afternoon not long ago, all 120 eighth-grade students and four of their teachers at the Olson Middle School in Minneapolis, Minn., walked across a grassy playing field down to nearby Shingle Creek. For the past five weeks, they had been raising monarch butterflies--from caterpillar through chrysalis--and now 30 of them were ready for release.
Raising butterflies isn't all that easy, as the Olson eighth-graders discovered. Every other day, the students would gather milkweed pods for their charges to eat. They kept journals, which they took home to their parents for evaluation. They rushed in on Mondays to...
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