Research Reports


While public investment in preschool has been an increasingly popular social policy and there are numerous studies documenting its positive impacts, it is not without controversy. Most critics questioned whether it is worth the investment, as some studies suggested the impacts could be minimal or fade quickly. Others challenged the validity of the studies, as many existing findings were based on small samples or subject to selection bias.

To build on the success of GSRP and help address these concerns, this evaluation study aims to answer four questions:

  • Is GSRP equitably accessible to 4-year-old eligible children across geographic, racial/ethnic and income subgroups?
  • How do different GSRP quality and implementation strategies relate to preschool outcomes?
  • What are the academic benefits of GSRP?
  • What are the economic returns to ISDs and comparative cost-effectiveness?



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