Critical Reasoning (CR) | Educator: Reducing class sizes in our school district would require

Educator: Reducing class sizes in our school district would require hiring more teachers. However, there is already a shortage of qualified teachers in the region. Although students receive more individualized instruction when classes are smaller, education suffers when teachers are underqualified. Therefore, reducing class sizes in our district would probably not improve overall student achievement.

Which one of the following is an assumption required by the educator’s argument?

(A) Class
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