In August 2010, the Smithsonian Science Education Center (SSEC) received a grant of more than $25 million from the U.S. Department of Education's Investing in Innovation (i3) program for a five-year study to validate its Leadership Assistance for Science Education Reform (LASER) model in three very diverse regions of the United States: rural North Carolina, northern New Mexico, and the Houston Independent School District (HISD). State assessment results from the Spring 2014 (third posttest for the Elementary and the Middle School Cohort) administrations are available and are reported in this report. As the state assessments for each region are different, results are reported by region only (and not in the aggregate across regions). Outcomes for the Houston Independent School District (HISD) are reported first (State of Texas Assessment of Academic Readiness (STAAR) and Stanford), followed by the New Mexico (Standards Based Assessment (SBA)) and North Carolina (End-of-Grade (EOG)) regions. A summary of the Key Findings for each set of analyses is presented at the beginning of each report, followed by information on the samples included, baseline equivalence between the Phase 1 and Phase 2 groups, and the detailed outcomes by grade level (i.e., elementary cohort and middle school cohort) and subgroup.