*UPDATE*
Grant Public Schools has returned to normal operations. Students will be released as normal. All students and staff have been reported safe.
The Grant Police Department are currently investigating a threat complaint at Grant High School. The schools have said all Grant Schools are currently secured, and police are currently on site at all schools. It is said there is no active threat at this time. Details are still coming in.
Police are asking parents not to come to the school at this time, and instead wait for further information.
We will continue to update this story as more information becomes available.