Smaller Classes or Better Teachers? Part 3

Various states have tried to improve educational achievement by making classrooms smaller. California is one of them, and Jennifer Imazekiof San Diego State University looked at what happened.

She found,

In California, teacher quality, as measured by education, experience and credentials, fell dramatically in the wake of a state-wide class-size reduction policy. In particular, the pre-existing gap in teacher qualifications across students of different socioeconomic backgrounds grew wider and has persisted over time.

Now, these measures of teacher quality are at best indirect. Good teachers can come from poor universities, bad teachers can come from good universities. Long-experienced teachers may have gained a substantial skill set–or simply marking time.

Nonetheless, the report is useful for pointing off that trade-offs do exist.

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