In this study, the topic of K-12 public school online learning is addressed in the context of the pandemic-related circumstances of 2020 and 2021. The study used a qualitative analysis of data sources in the form of one-on-one interviews. The study examined teachers' input regarding factors they believe impacted academic outcomes for students in the online learning environment in 2020-2021. A total of 15 K-12 public school teachers who volunteered to provide instruction in the online learning environment during the 2020-2021 school year participated in a one-on-one semi-structured interview. The questions asked during the interview were organized in sections according to themes that were reviewed in the review of literature and existing research components of this study: professional development, pedagogy, learner engagement, and equity in the K-12 online learning environment. Findings and conclusions from this study offer multiple considerations for future planning and implementation of K-12 public school instruction in the fully online learning environment. Instructors need adequate and advanced preparation and professional development that is intentionally focused on the fully online learning environment. Parents and students need to have an understanding of the expectations of active engagement in the fully online learning environment. Consistent and clear communication about expectations of learners is a predominant factor in ensuring increased student achievement in the K-12 public school fully online learning environment. / Doctor of Education / In this study, the topic of K-12 public school online learning is addressed in the context of the pandemic-related circumstances of 2020 and 2021. The study examined teachers' input regarding factors they believe impacted academic outcomes for students in the online learning environment in 2020-2021. A total of 15 K-12 public school teachers who volunteered to provide instruction in the online learning environment during the 2020-2021 school year participated in a one-on-one interviews. The topics of professional development, pedagogy, learner engagement, and equity in the K-12 online learning environment were addressed by the interview questions. The results of this study offer multiple considerations for future planning and implementation of K-12 public school instruction in the fully online learning environment. Instructors need adequate and advanced preparation and professional development that is intentionally focused on the fully online learning environment. Parents and students need to have an understanding of the expectations of active engagement in the fully online learning environment. Consistent and clear communication about expectations of learners is a predominant factor in ensuring increased student achievement in the K-12 public school fully online learning environment.