KINGSTON – Wyoming Valley Montessori School, a private school for children 18-months through sixth-grade, will hold an Open House 9:30 a.m. Feb. 22, at the school’s campus, 851 West Market St. Information about the school, its educational philosophy, curriculum and student environment will be available along with the opportunity for families to tour classrooms. Wyoming Valley Montessori School is a private, non-profit academic school incorporating the philosophy and methods of Dr.