The lockdown was issued as a precautionary measure after the suspect in the armed robbery fled the scene on foot during a athletic game at the high school.
School officials say students were not allowed to leave the game unattended during the lockdown.
No students were injured during the incident.
The lockdown was lifted around 9 p.m. Friday night and school officials say police advised them there was no longer a threat in the area.
It is not clear if the suspect has been arrested or if the store has surveillance images.
A description of the suspect was also not known.
This is a developing story. Stay with FOX 17 for the latest on this story.