Grammar School and Public Elementary School.
Kelly's Directory of Lincolnshire 1919 states
"Sedgebrook Grammar School, erected in 1882, with master's house, by the Thorold charity trustees, at a cost of £1,500; the school is the district centre for County Council scholars from Kesteven & Leicestershire (Junior & intermediate) ; this school is now a Secondary school taking the special advanced course of the Board of Education, and is controlled by 12 governors; Sir J. H. Thorold bart. chairman; in 1908 there were 75 boys: Frank Upton M.A. headmaster; G. W. Preston B. A., T. J. Stokes, Rev. Thomas Cranmer Ewbank M.A. (manual instructor), J. A. Pocock (art) & H. Stevenson F.I.C. assistant masters
Public Elementary School, erected in 1875, by the trustees of Lady Thorold's charity (see Marston), at a cost of about £500, for 70 children; Mrs. A. Coupland, mistress"
Old Grammar School is the further building.
DB 6 February 2019