Pre-Kindergarten Impacts Over Time: An Analysis of KIPP Charter Schools

Virginia Knechtel Thomas Coen Pia Caronongan Nickie Fung Lisbeth Goble Submitted to: Laura and John Arnold Foundation 2800 Post Oak Blvd., Suite 225 Houston, TX 77056-6169 Project Officer: Meredith McPhail, Research Integrity Manager Submitted by: Mathematica Policy Research 1100 1st Street, NE 12th Floor Washington, DC 20002-4221 ................
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