The sentence you provided is mostly grammatically correct, but "largatha trend" may be a typographical error or a specific reference that is not widely recognized. If "largatha trend" is a particular trend that is known in context, it would be fine, but it might need clarification.
Here’s a breakdown of the meaning:
- **"My ever bubbling secondary school WhatsApp group chat"** refers to a lively and active group chat that the speaker belongs