Inclement Weather/Emergency School Closing: In the event of bad weather, The Jefferson Montessori School will be closed when Montgomery County Schools are closed. If county schools have a delayed opening, The Jefferson Montessori School will open at 10:00 a.m. with the core of our program beginning at 10:15a.m. If Montgomery County schools close early, The Jefferson Montessori School will close at 12:15p.m. If after school activities in the county are canceled, The Jefferson Montessori School will close at 3:15 p.m. with no after care.