The moment a learner starts recording, the audience changes. You are no longer speaking only to the learner or the class; your words may later be replayed without the minutes that came before them. That is exactly when a teacher should become less reactive, not more.
RESPOND: keep the sentence short and professional. Do not argue for the camera, trade insults, threaten the learner or turn the device into a physical contest. If your school has a clear phone or recording rule, use only the steps that rule actually authorises and that can be applied safely.
RECORD: after the immediate teaching moment, preserve the context that a clip may not show — what was happening before the recording began, what instruction or boundary had already been given, what you said once you noticed the phone, who was present, and what happened next. Write facts, not motives.
ESCALATE: if the recording breaches school rules, is repeatedly used to disrupt lessons, or later appears in a complaint or public post, move the issue through the appropriate documented school or professional channel. Ask for a concrete next step rather than fighting the matter in messages or on social media.
PROTECT: your strongest position is usually not a dramatic defence after a clip circulates. It is a calm response in the room plus a contemporaneous record that preserves the sequence. A recording may capture seconds; your professional record should preserve the whole incident.
TSA principle for the day: do not perform for the camera. Stabilise the class, preserve the context, and let the documented process carry the issue forward.
This is practical educational commentary, not legal representation. Where a briefing discusses a current external event, the source reporting will be identified and linked in that edition.