The final class of cadets from the Valley Forge Military College and Valley Forge Military Academy graduated today.
School leaders say the plan was designed to create "safe, flexible, alternative learning environments" for students.
Parents were notified on Friday of the discovery of asbestos at Frankford High School and Mitchell Elementary.
Ewing Township public schools reopened on Wednesday with a visible police presence.
Ewing Township police say they were notified by authorities in Michigan that Anthony McRae was found with a note in his pocket that indicated a threat to two schools.
The parking lot outside Williamstown High School was full again on Friday after schools in the district had been canceled for three days over technical issues caused by an "unauthorized third party."