UPDATE, 2:15 P.M.
All after-school activities at have been canceled as police and fire officials sweep the building following a "low level credibility threat at approximately 1:08 p.m.," according to a note from Wayland Superintendent Paul Stein and WMS Principal Betsy Gavron.
"A caller reported that he believed there to be a bomb in the school," the note continues.
Students were scheduled for a 1:10 p.m. release Wednesday, and exited as per usual. The building was subsequently evacuated as a precaution.
Wayland Police and Wayland Fire were on the scene as staff "went through the building to make sure there is nothing unusual in sight."
State police bomb-sniffing dogs will also sweep the school this afternoon, therefore making it necessary to cancel all after-school activities, including BASE.
ORIGINAL ARTICLE, 1:40 p.m.
A "low-level, non-specific" bomb threat was called into Wayland Middle School this afternoon, according to Wayland Police Lt. Patrick Swanick.
Students were released at a regular Wednesday early dismissal time. The building has since been evacuated, so police could do a sweep.
Wayland Patch is on the scene and will update with additional information as it becomes available.