This study attempted to determine the relevance of the implementation of the collaborative learning strategies in online classes of PTC teachers to guide the development of a compendium of teacher-focused activities. In all five essential features of collaborative learning, the weighted average of

students and teachers assessments is 4.40, equating to an ALWAYS value on the Likert scale. The Chi Square analysis revealed that there was no significant association between collaborative learning implementation and teacher techniques. Teachers and students are both aware that the five major features of collaborative learning are being implemented in PTC teachers' online classes. The findings of their assessments also demonstrated that such implementation is ALWAYS visible in all five essential features of collaborative learning in PTC teachers'online classes. Because of the nature of the Internet-based Google workplace learning management platform, video conferencing is at the top of the strategy implementation list. There are daily conversations and presentations, which are the most common tactics in most online classrooms.