They should name the school districts, not just the counties.
Found the info in another article (lazy reporter/editors at original source):
Abington School District, Montgomery County;
Bethlehem Area School District, Northampton and Lehigh counties;
Cannon-McMillian School District, Washington County;
Hempfield School District, Lancaster County;
Lower Merion School District, Montgomery County;
Neshaminy School District, Bucks County;
North Allegheny School District, Allegheny County;
Northampton Area School District, Northampton County;
North Penn School District, Montgomery County;
Penn Manor School District, Lancaster County; and
School District of Lancaster, Lancaster County;
West Chester Area School District, Chester and Delaware counties.