This study used a randomized field trial design to evaluate the efficacy of a research-based model for scaling up an intervention focused on preschool mathematics. Although the successes of research-based educational practices have been documented, equally well known is the paucity of successful efforts to bring these practices to scale. The same…

There is growing evidence that socioeconomic (SES)-related differences in mathematical knowledge begin in early childhood, because young children from economically disadvantaged families receive less support for mathematical development than their middle-class peers receive. A pre-kindergarten mathematics intervention, including a pre-kindergarten…