In this study, the researcher aimed to determine the significant relationship of teachers readiness and learning recovery plan on students cognitive engagement and ability. It was anchored on Theory of Law of Readiness, Cognitive Theory and John Deweys Theory of Learning-by-Doing. A descriptive method of research was utilized in this study. Survey Questionnaire was formulated and given to one hundred (100) elementary teachers of Lucena East District, who were selected purposively. The findings of the study revealed that the level of teachers readiness on learning recovery plan was very high in terms of teaching pedagogy, integration of technology, knowledge application, and classroom management. As to the level of learning recovery plan, it was interpreted as high with regards to tutoring and additional learning plan. Moreover, the level of students cognitive engagement was interpreted as high in relation to motivation, collaboration, participation, communication and attentive listening. As to the level of students cognitive ability in relation to comprehension, working memory, reasoning, visual processing and information processing, it was also interpreted as high. From the results, the researcher found out that teachers readiness on learning recovery plan has significant relationship to students cognitive engagement as well as to students cognitive ability. This implied that teacher has big influence towards helping learners achieve learning objectives. On the other hand, learning recovery plan also has a significant relationship to students cognitive engagement as well as to students cognitive ability. This proved that materials used like learning recovery plan plays an important role towards recovering students learning as it provides them rich experiences suitable on their current needs and ability. Thus, teachers who were equipped with both the knowledge and materials results to students better performance. Among the recommendations were the utilization of proposed upskilling program input for decision-making to remedy the emerging deficiencies and reference in the selection of training and workshops and conduct of another study related to teachers readiness.