Figure 1. High school juniors' SAT/ACT attempts and test prep, by socioeconomic status

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Source: High School Longitudinal Study (HSLS) of 2009, 2012 wave

Note: The 2012 HSLS survey wave was administered during students' junior spring. Socioeconomic quintiles are calculated based on parental education, occupation, and income. Here, "prep" is defined as a course that prepares students for a college admissions exam.

The Brookings Institution