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Portilla, Ximena A.; Mattera, Shira; Wulfsohn, Samantha – MDRC, 2020
Improving the quality of teaching and instruction takes time and planning and may be costly and require intensive work. This is particularly true when trying to make improvements among multiple preschool sites, because preschool systems often lack a cohesive infrastructure for supporting high-quality implementation of curricula and teacher…
Descriptors: Preschool Education, Preschool Curriculum, Curriculum Implementation, Educational Quality