KIPP Ujima Village Academy is a member of the KIPP (Knowledge is Power) National Network of schools. The Baltimore KIPP serves approximately 300 students in Northwest Baltimore in grades 5-8; the school opened in Fall 2002 and converted to a charter school in 2005. This study analyzes four cohorts of 5th grade students in the Baltimore City Public School System (BCPSS) from 2002-03, 2003-04, 2004-05, and 2005-06. The primary group of interest is 5th grade students at the BCPSS KIPP school for each of these cohort years. The study uses data available from BCPSS to describe and trace the trajectory of these KIPP students over time, compared to 5th grade cohort groups from the feeder KIPP schools in each cohort year. The research addresses whether there were pre-existing differences between KIPP students and other BCPSS students that could help to explain the higher academic achievement levels of the KIPP school compared to other schools in aggregate level analyses. The report also discusses issues such as attrition (and new student replacement) at the KIPP school. It compares academic achievement outcomes of KIPP students with students at the same grade level at other types of schools. Appended are: (A) KIPP Feeder School Cohort Summary; (B) Comparison Students' 6th Grade School of Attendance, By Cohort; (C-1) Summary of Ordinary Least Squares Regression Results for Reading and Mathematics Achievement Scores for Cohort 1; (C-2) Summary of Ordinary Least Squares Regression Results for Reading and Mathematics Achievement Scores for Cohort 2; (C-3) Summary of Ordinary Least Squares Regression Results for Reading and Mathematics Achievement Scores for Cohort 3; (C-4) Summary of Ordinary Least Squares Regression Results for Reading and Mathematics Achievement Scores for Cohort 4; and (D) MSDE-Reported Middle Grades (6th to 8th) Withdrawal Rates for KIPP Ujima Village Academy and Other Charter and Charter-Type Schools. (Contains 13 tables, 8 figures, and 11 notes.) [This report was prepared for the Abell Foundation.]