 In 1876 , the curriculum was widened so that it comprised reading , writing , arithmetic , English , mathematics , history , geography , Latin , a foreign language , music , natural science and drawing , with Greek as an optional extra . The County Council supported technical and commercial subjects in the late 19th century , but after 1904 it was empowered to support secondary education in general , allowing Latin and other classical components of the curriculum to remain intact . After World War I , sixth form courses were developed allowing students to commence advanced studies in the arts and sciences . By the 1950s , a wide range were available : English language and literature , mathematics , French , German , Latin , Greek , art , history , geography , physics , chemistry and woodwork ; biology was taught at Kesteven and Sleaford High School . 
