Many students start college intending to pursue a career in the biosciences, but too many abandon this goal because they struggle in introductory biology. Interventions have been developed to close achievement gaps for underrepresented minority students and women, but no prior research has attempted to close the gap for first-generation students,…

Attitudes, beliefs, perceptions, and classroom practices of 476 teachers in 24 urban and suburban elementary schools were assessed with teacher questionnaires and observation. Teachers serving students from economically disadvantaged backgrounds put more emphasis on teacher authority and control and were more doubtful of student abilities. (SLD)