This study focused on Teachers Inclusive Education Practices to Students Knowledge Development in Social Science. It aimed to find the following such as the level of inclusive education practices in terms of Peer Supported Learning, Support Important Life, Implement Universal Design for Learning, Strong Behavior Management Plan, and Ensure Access to Academic Content. Next is the Level of Student Knowledge Development in Terms of Academic Motivation, Self-regulation, Learning Behavior, and Peer Collaboration based on the findings of the study, create an action plan that can be proposed to further improve the Teachers Inclusive Education Practices to Students Knowledge Development in Social Science. The researcher used the quantitative/ descriptive survey method in this study. The respondents were the 1,100 randomly selected junior high school students of Makiling Integrated School. The instrument used in the study is a validated survey questionnaire- checklist and data obtained from the questionnaire-checklist were then treated with statistical tools such as Percentage, weighted mean, standard deviation t-test and person -r. After gathering and analyzing the data these are the findings of the study.                 The study of the data shows that the Level of Inclusive Education Practices in terms of Peer Supported Learning, Support Important Life, Implement Universal Design for Learning, Strong Behavior Management Plan, and Ensure Access to Academic Content was “Very High”. Whereas, the Level of Student Knowledge Development in Terms of Academic Motivation, Self-regulation, Learning Behavior, and Peer Collaboration “Very High”. Meanwhile, the Level of Students Knowledge Development in terms of Students Performance as to Grades remarked as “Proficient”. The study revealed that Peer Supported Learning, Support Important Life, Implement Universal Design for Learning, Strong Behavior Management Plan, and Ensure Access to Academic Content of the respondents was observed to have a significant effect to the students knowledge development.

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