The study examines students' skills at kindergarten entry and gains in skills across the kindergarten through first-grade period (pre-COVID-19) for predicting literacy, language, math, inhibitory control, and social-adjustment outcomes in the spring of fourth grade, after schools reopened. In a large US school district, longitudinal data were…

Pre-kindergarten (pre-k) is thought to have both direct and indirect effects on children's outcomes in early elementary school. Direct pre-k effects consistently include moderate to large gains in academic skills and sometimes include increases in problem behaviors that affect acquisition of skills in school. Indirect pre-k effects assume that…