Date of Award

8-2026

Document Type

Dissertation

Degree Name

Doctor of Education (EdD)

Department

Education Systems Improvement Science

Committee Chair/Advisor

Dr. Brandi Hinnant-Crawford

Committee Member

Dr. Edwin Bonney

Committee Member

Dr. Megan Carpenter

Committee Member

Dr. Melissa LaBerge

Abstract

Although the number of students identified as having disabilities (SWD) continues to increase, general education teachers continue to demonstrate difficulty adequately supporting these students. At one South Carolina school in particular, SWD demonstrate decreased academic achievement and increased rate of discipline referrals when compared to non-SWD. This study utilized an improvement science approach in order to implement targeted instruction on high-leverage practices (HLPs) and its impact on general education teacher effectiveness.

Preliminary findings of the intervention trended positive. Teacher participants demonstrated increased understanding of HLPs following intervention, although this increased knowledge did not necessarily correlate with increased application. Students whose teachers participated in the intervention showed stronger performance, relative to grade level, on reading and math measures than their peers. However, disciplinary referrals did not yet show a change in the over-identification of SWD and SWD interviews indicated continued concerns regarding social connections, academic supports, and global sense of belonging.

Results of this study suggest a need for continued implementation of professional development for teachers in the use of HLPs in order to support the education of all students. School leaders have a duty to provide educators with the tools necessary to create student success.

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