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| Abington Heights Middle School | B | 2 | 2 | Northeast Region at PSU Wilkes-Barre | Abington Heights School District | PA | |
| Bala Cynwyd Middle School | B | 2 | 2 | Southeast Regional at PSU Abington | Lower Merion School District | PA | |
| Bedford Middle School | B | 1 | 1 | n/a | Westport Public Schools | CT | |
| Black Rock Middle School | B | 3 | 3 | Southeast Regional at PSU Abington | Lower Merion School District | PA | |
| Clarksville Middle School | B | 3 | 3 | | Howard County Public Schools | MD | |
| Eagle View Middle School | B | 2 | 2 | Central Region at Millersville University | Cumberland Valley School District | PA | |
| Eastern York Middle School | B | 1 | 1 | Central Region at Millersville University | Eastern York School District | PA | |
| Garnet Valley Middle School | B | 1 | 1 | Southeast Regional at PSU Abington | Garnet Valley School District | PA | |
| Harlan Rowe Middle School | B | 2 | 2 | Northeast Region at PSU Wilkes-Barre | Athens Area School District | PA |
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| Hershey Middle School | B | 2 | 2 | Central Region at Millersville University | Derry Township School District | PA | |
| Mount View MS | B | 3 | 3 | MSO Regional Div B West | Howard County Public Schools | MD | |
| Mountain View Middle School | B | 2 | 2 | Central Region at Millersville University | Cumberland Valley School District | PA | |
| North Pocono Middle School | B | 3 | 3 | Northeast Region at PSU Wilkes-Barre | North Pocono School District | PA | |
| Saint Leo the Great Catholic School | B | 1 | 1 | Central Region at Millersville University | Diocese of Harrisburg | PA | |
| Springhouse Middle School | B | 1 | 1 | Central East Region at Kutztown University | Parkland | PA |
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| The Shipley School | B | 3 | 3 | Southeast Regional at PSU Abington | Lower Merion (Independent) | PA | |
| Urbana MS | B | 2 | 2 | MSO Regional Div B West | Frederick County Public Schools | MD |
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| Welsh Valley Middle School | B | 1 | 1 | Southeast Regional at PSU Abington | Lower Merion School District | PA | |