– Findings suggest that a student’s elementary SES composition has a legacy effect on middle school achievement growth net of his
or her own achievement growth and middle school SES composition.
– SES composition effects differ depending on the timing of exposure and a student’s individual free and reduced lunch (FRL) status.
– Findings suggest that early education contexts are critical for math achievement growth in general.
– The authors’ findings show that school segregation by socioeconomic status is problematic for achievement growth for
all students.
– Disadvantages from the elementary school context carry over to the middle school context, and the SES composition effect of students’ middle school depends on students’ prior school experiences.