Question:
Where was William Michael Herbert Greaves educated in Oct, 1915?

Context:
 William Michael Herbert Greaves attended The Lodge School from Jan, 1905 to Jan, 1915. 
 William Michael Herbert Greaves attended Codrington College from Jan, 1915 to Jan, 1916. 
 William Michael Herbert Greaves attended St John's College from Jan, 1916 to Jan, 1922.

Answer:
Codrington College