Delaware Valley Elementary School Principal Mary Ann Olsommer reads to the Sabrina Schlenker and Katie Mauro’s kindergarten classes. Photos provided by Peggy Snure/Delaware Valley Elementary School. Matamoras. Meet Principal Mary Ann Olsommer As she has been doing since she arrived at Delaware Valley Elementary School eight years ago, Principal MaryAnn Olsommer... Local News 13 Sep 2023 | 04:46
