It is located next to Pembroke Leisure Centre, so the school uses these facilities for sports activities.

On December 6, 2022, Dyfed-Powys Police received a call at 1:10pm to Ysgol Harri Tudur involving a serious incident of threatening behaviour from a pupil during break time.

[5] On Friday January 31, 2025 at 1:30pm GMT, the School was placed into a lockdown after a undisclosed Knife threat was received.

A Dyfed-Powys Police spokesperson said: "Concerns were raised following a threatening message sent to Ysgol Harri Tudur.

Shortly after, A number of unconfirmed reports by word of mouth and social media have said that the lockdown was sparked by a 15-year-old female pupil who had brought a kitchen knife into school.