The Lock-Keepers

Historical marker location:

6410 83rd Place, Cabin John, Maryland

( Marker can be reached from Clara Barton Parkway, 2 miles east of Capital Beltway Inner Loop (Interstate 495), on the right.)

Maryland was the first state to pass a law requiring free public education: In 1827, Maryland became the first state to pass a law requiring free public education for all children. The law was initially aimed at poor children, but eventually expanded to include all children regardless of their economic status.