Parents have been told Brancaster Primary School could merge with nearby Docking Primary from January 1.
The Diocese of Norwich Education and Academies Trust (DNEAT), which runs both schools, said it was making the change because of falling pupil numbers.
Brancaster Primary School (Image: Ian Burt) The school, which can accommodate 63 pupils, currently has 24 but numbers are expected to fall to 17 by next September.
More than 700 have signed an online petition against the closure, while banners have gone up in the village.
Brancaster Parish Council said it has "grave concerns" about the move, which........