– School-based hiring is associated with a larger gap in the distribution of teacher quality between advantaged and disadvantaged schools.
– There is an association between school-based hiring and inequality of achievement based on socioeconomic status of students.
– School-based hiring may contribute to exacerbating inequality in learning opportunities and increasing family background’s positive effect on achievement.
– ESCS (a proxy of family SES) is positively associated with student performance in mathematics and science.
– School-based hiring is not associated with student performance on average, but school-based hiring is associated with the larger achievement gap between high- and low-SES students.
– More school autonomy in hiring was associated with a larger gap in the distribution of teacher quality across schools as well as larger socioeconomic achievement inequality.
– School-level mean SES has a positive and significant relationship with math and science achievement.