The EAST REGION of Pennsylvania Middle School Aassociation includes the 29 counties in the eastern half of PA not counting the five county metro-Philadelphia area (PMSA southeast region).  Our region includes approximately 200 school districts and over 15,500 teachers meeting the needs of 10-15 year olds in grades 5-8.  Check out the other EAST REGION pages using the menu on the left for more information on how you can get more involved in PMSA and the East Region.