abstract: This mixed methods action research study examined the effectiveness of an Education and Career Action Plan (ECAP) Advisory Program on students’ formation of postsecondary education and employment plans. The study took place at a public high school in northern Arizona. Participants included thirty-three 11th-Grade Advisory students, four 11th-grade advisors, and me, the action researcher. One quantitative data instrument and three qualitative data instruments were used for data collection. Each of the four data collection instruments provided insight about one of the study’s research questions. The quantitative data from this study addressed whether the intervention had an impact on the ECAP Advisory Program’s ability to enhance students’ postsecondary knowledge. Results from the quantitative data demonstrated significant positive change, indicating that, through their participation in an ECAP Advisory Program, students developed their postsecondary education and employment knowledge. The qualitative data from this study addressed how the participants experienced the intervention by providing a deeper understanding of their experiences with their ECAP Advisor and the ECAP Advisory Program. Results from the qualitative data indicated that students’ perceptions of postsecondary education and employment planning changed substantially during their participation in the ECAP Advisory Program. As the study progressed, student participants reported they could more appropriately visualize the postsecondary education and employment environments that aligned with their interests. Furthermore, because of the time allocated for lessons and activities in the ECAP Advisory Program, students participants also reported feeling more prepared to pursue postsecondary education and employment opportunities as the ECAP Advisory Program progressed. And perhaps most importantly, student participants reported that their advisor positively impacted their postsecondary education and employment planning. Overall, in association with their participation in the ECAP Advisory Program and relationship with their ECAP Advisor, students expanded their postsecondary education and employment knowledge levels, developed and modified their education and employment goals, and felt more prepared to pursue postsecondary education and employment opportunities. / Dissertation/Thesis / Doctoral Dissertation Leadership and Innovation 2018