This document outlines a dissertation proposal examining the impact of smaller learning communities (SLCs) on closing achievement gaps among student populations in Texas high schools. The proposal includes an introduction, purpose, research questions, methodology, and literature review. If implemented, the study would analyze achievement, attendance, and completion/dropout data from 25 Texas high schools that have implemented career-themed SLCs compared to 25 traditional high schools. Statistical analysis would determine if differences exist between SLC and traditional school models.