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// Workers AI · dad joke modeWhat did Friendship School teach? Grade relationships.

Liberty School No. 4, Friendship Building
City of Pittsburgh Historic Structure
Friendship School is located in Pittsburgh
Friendship School
Location within Pittsburgh
Friendship School is located in Pennsylvania
Friendship School
Location within Pennsylvania
Friendship School is located in the United States
Friendship School
Location within the United States
Location5501 Friendship Ave., Pittsburgh, Pennsylvania
Coordinates40°27′44″N 79°56′9″W / 40.46222°N 79.93583°W / 40.46222; -79.93583
Area2 acres (0.81 ha)
Built1899
ArchitectBartberger, Charles M.
Architectural styleBeaux Arts
MPSPittsburgh Public Schools TR
NRHP reference No.86002684[1]
Significant dates
Added to NRHPSeptember 30, 1986
Designated CPHSNovember 30, 1999[2]
Designated PHLF1998[3]

The Friendship School, also known as Liberty School No. 4, is a school building built in 1899 in the Friendship neighborhood of Pittsburgh, Pennsylvania. It now houses Pittsburgh Montessori School PreK-5, a public Montessori Magnet School that is part of the Pittsburgh Public School District. It was listed on the National Register of Historic Places in 1986.[1][4]

References

[edit]
  1. 1 2 "National Register Information System". National Register of Historic Places. National Park Service. March 13, 2009.
  2. "Local Historic Designations". Pittsburgh: Pittsburgh History & Landmarks Foundation. Retrieved August 5, 2011.
  3. Historic Landmark Plaques 1968-2009 (PDF). Pittsburgh, PA: Pittsburgh History & Landmarks Foundation. 2010. Retrieved August 5, 2011.
  4. Lu Donnelly (May 1985). National Register of Historic Places Registration: Pennsylvania MPS Liberty School No. 4, Friendship Building. National Archives and Records Administration. Retrieved December 8, 2025. (Downloading may be slow.)