Efficacy Study

Impact of TSI Tutorials on Student Achievement in Texas

2016–2017 School Year

TSI Tutorials improved student performance on post-test achievement.

The results of this study indicate that TSI Tutorials had a significant impact on student post-test achievement compared to pre-test performance. Overall, students who used TSI Tutorials improved post-test scores by 42%.
Chart: Pre-test and posttest scores by percentage point and percentile gain