Two Chester County school districts rank among the best in the state according to standardized test scores, writes Ethan Lott ...

The Best 50 School Districts in America, according to Niche's ratings: Adlai E. Stevenson High School District No. 125 ...

Check your city or county ... the Philadelphia School District. There may be exceptions to these dates for specific districts because of local charters and district-specific exceptions and carve-outs.