This problem-based learning project addressed the need to improve the implementation of school wellness plans in Missouri. Student health and well-being are at the forefront of educational issues throughout our country. The project performed a discrepancy analysis through three components. The components consisted of developing a knowledge base through reading literature on the topic of school wellness, analyzing school wellness documents and gathering perceptual data from school leaders on the implementation of their wellness plan. The discrepancy analysis was performed to determine what recommendations could be made to assist school districts in improving the implementation of their wellness plan throughout their district. The project team developed a comparison of suggested actions consistent in the literature, the wellness plans and school leader perceptions from select Missouri schools. The purpose of this project was to provide direction for schools to implement their wellness plan consistent with best practices across components. The project also highlighted differences in what the literature said compared to what is either being done or is perceived to be currently done in schools. This was accomplished by assessing the inclusion of best practices in existing wellness plans. A survey instrument provided the perceptual data for school leaders responsible for their wellness plan. The team then assessed the common elements of each component along with the discrepancies in suggested practices. The results of this analysis were then assembled into recommendations and outcomes for schools to utilize in the implementation of their wellness plans. The project determined that although schools are required to have a wellness plan in place, there is no obligation by the school to ensure that it is implemented or evaluated for effectiveness. Although schools have a wellness plan in place, far too many schools do not feel they are effective in successfully implementing their plan. One of the outcomes of the project is a self-assessment tool schools may use in the evaluation of their existing plan. The opportunity to improve the impact that wellness plans have on the overall health of students while in school, as well as the impact on their health for the rest of their lives is evident. [The dissertation citations contained here are published with the permission of ProQuest LLC. Further reproduction is prohibited without permission. Copies of dissertations may be obtained by Telephone (800) 1-800-521-0600. Web page: http://www.proquest.com.bibliotheek.ehb.be/en-US/products/dissertations/individuals.shtml.]