I think I know who the school teacher was. Here is the information. I have more if you are interested.
James (Spens) BLACK born 1816 in Linlithgow, died aged 51 in feb1867. He changed his name with approval by the Lord Lion King of Arms in 1863 to James SPENS-BLACK. He purchased Craigmaddie House, Baldernock, Stirlingshire. He married 1st Mary LOAG(according to the will)/LOGUE (according to birth registration)28feb1848 in Barony parish and 2nd Mary Jane Hattersley SANDS. Their children:
From his 1st wife:
FiSophia Spens BLACK was born 14sep1844 in Barony parish, Lanarkshire, daughter of Mary Logue. Maybe the date has been wrongly transcribed. In the 1881 census she, at the age of 36, was at 6 Leamington Terrace, Edinburgh, withJane Hewit LOGIE nee BLACK (born 1817, Sophia’s aunt), Mary LOGIE (born 1823) and Anna Barbara LOGIE (born 1856, Hamilton, Ontario), a niece of Mary. In 1911 Sophia lived at 61 Merchiston Crescent, Edinburgh, Midlothian (according to R. Hubbard, Canada).
MiiJames Spens BLACK was born 25feb1847 in Barony parish. According to IGI James Spence BLACK was the son of James Spence BLACK and Mary LOGAN.
From his 2nd wife:
FiiiEdith Mary Spens BLACK was born 13jun1852 at Baldernock, Stirlingshire, daughter of Mary Jane Hattersley.
MivMaxwell SPENS-BLACK was born 1oct1853 in Baldernock, Stirlingshire, son of James Spens BLACK and Jane Hattersley. He married 29apr1883 Marie Vivienne SHIELD in Timaru, New Zealand, according to the Timaru Herald.
MvNorman Sands Spens BLACK was born 5apr1855 in Baldernock, Stirlingshire. In 1881 according to the census, Norman was married to Mildred S. BLACK, aged 23, born in Ireland, and living at 12 Hamilton Drive, Govan, Lanarkshire. He married Mildred Ida SANDES.
MviArthur Henry Spens BLACK was born 21jan1857 in Baldernock, Stirlingshire. The will is registered 19nov1888 in Scottish Archives of „Arthur Henry Spens BLACK, schoolmaster of Addingham House, Ilkley, Yorkshire, England“.
MviiHarold Frank Spens BLACK was born 9sep1858 in Baldernock, Stirlingshire. He may have emigrated to New Zealand (according to David Black, Australia). On the 1881 Census Harold Spens BLACK, aged 22, born in Baldernock lived at Stockbrigg House, Lesmahagow, Lanarkshire.
Fviii? BLACK was born 19aug1861 in Baldernock, Stirlingshire
FixKatherine Isobel Spens BLACK was born 30dec1864 in Baldernock, Stirlingshire
To whom was Sally McKee SPENS-BLACK, born 31oct1864 in Oakland, California, USA, married? Sallie McKee born abt. 1866, daughter of Samuel McKee of Oakland, Alameda County, California, is mentioned in the 1880 Census.