The present study investigated the common challenges of learners in the new mode of learning and their frequency, if there would be a significant difference in the performance of the participants after using Google Sites, the acceptability of the Google Sites in terms of its content quality, instructional quality, and technical quality, and the experience of the respondents in using Beyond the Classroom as supplementary material for the Third Quarter. This action research used the survey questionnaires, evaluation tool, pre-tests, and posttest as instruments in answering the research questions. Respondents were 15 Grade 8 High School learners who have internet access. Results indicated always and sometimes characterized their experience on challenges such as understanding the lessons after reading the discussion found in the modules and that there is a significant difference between the pre-test and post-test scores for lessons that are easy for them to understand and learn alone. Results also revealed that Beyond the Classroom is very acceptable in terms of its content, instructional, and technical quality, and respondents found it helpful in understanding their lessons. Finally, this study showed that learners struggle to cope with the changes in the new normal, and online supplementary material helps them understand their lessons and activities for the Third Quarter of the academic year 2021-2022.