Foster Center Schoolhouse, built before 1824 and remodeled several times since then in the 1950s through the 1970s for use as the Foster Center Library.

Hopkins Mills Schoolhouse (Hopkins Mills) (c. 1820) (#66): This 1-story schoolhouse with open belfry astride its gable roof has two widely separated entrances one now a window with a double-hung window between them on its north-facing gable front.  A semi-circular fan-shaped window in the gable peak and a 1-story ell at right angles at the rear were added when the schoolhouse was closed 1952 and remodeled for use as a residence.  The schoolhouse occupies a commanding hillside site above the road reached by a straight steep flight of stone steps it was built on or near the site of an earlier c. 1797 school.

Jenks Schoolhouse (1647) (#373): This small, 1-room school house, three bays wide and two bays deep, was used until school consolidation took place in 1952.  A 1-story addition was built at a right angle to the schoolhouse when it was converted into a residence in the 1970’s.

Moosup Valley Schoolhouse/Vestry School/Tyler Free Library (Moosup Valley) (1811, 1900, et seq. ff236): The 1-story, 1-room schoolhouse with paired entrances and raised flat lintels, built in 1811 on land given for that purpose by Isaac Blanchard, was closed in 1952.  In 1965 the structure, built just across the road  in 1900 to house a library given by local historian and storekeeper Casey B. Tyler was moved and joined to the schoolhouse by a large modern addition, The whole building was then opened as Tyler Free Library.  The schoolhouse is sometimes called the Vestry School, because Christian church services and Sunday school were held here in the mid-l9th century.

Mount Hygeia Schoolhouse (c. 1840) (ff68): This typical 1-story, 1-room schoolhouse, with paired entrances in the south gable end, is the only unremodelled schoolhouse in Foster and one of seven schoolhouses surviving in any form, In the last half of the 19th century Foster had eighteen school districts, By the time of school consolidation in 1952, however, only seven schoolhouses remained in use; Mount Hygeia was one of them, A 1755 deed for a schoolhouse lot in the Mount Hygeia area is the earliest known reference to any school or school building in Foster.  Photo taken in 2006.