Publications by authors named "Helen F Ladd"

Support for policies to improve early childhood educational development and reduce disparities grew rapidly this century but recently has wavered because of findings that program effects might fade out prematurely. Two programs implemented at scale in North Carolina (Smart Start and More at Four) have been associated with academic success early in elementary school, but it is not known whether these effects fade out or are sustained in middle school. Smart Start provides state funding to support high-quality early childcare in local communities, and More at Four provides state-funded slots for a year of credentialed pre-kindergarten.

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North Carolina's Smart Start and More at Four (MAF) early childhood programs were evaluated through the end of elementary school (age 11) by estimating the impact of state funding allocations to programs in each of 100 counties across 13 consecutive years on outcomes for all children in each county-year group (n = 1,004,571; 49% female; 61% non-Latinx White, 30% African American, 4% Latinx, 5% other). Student-level regression models with county and year fixed effects indicated significant positive impacts of each program on reading and math test scores and reductions in special education and grade retention in each grade. Effect sizes grew or held steady across years.

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Since 1990, Latin American immigrants to the United States have dispersed beyond traditional gateway regions to a number of "new destinations." Both theory and past empirical evidence provide mixed guidance as to whether the children of these immigrants are adversely affected by residing in a nontraditional destination. This study uses administrative public school data to study over 2,800 8- to 18-year-old Hispanic youth in one new destination, North Carolina.

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Using evidence from Durham, North Carolina, we examine the impact of school choice programs on racial and class-based segregation across schools. Reasonable assumptions about the distribution of preferences over race, class, and school characteristics suggest that the segregating choices of students from advantaged backgrounds are likely to outweigh any integrating choices by disadvantaged students. The results of our empirical analysis are consistent with these theoretical considerations.

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Helen Ladd takes a comparative look at policies that the world's industrialized countries are using to assure a supply of high-quality teachers. Her survey puts U.S.

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