Grose attended primary school in Kenyon, after which he traveled to St. Olaf College in Northfield, Minnesota.
[1] His education had been strongly influenced by Reverend Bernt Julius Muus, who was the founder of St. Olaf College.
At the advice of Reverend Muus, Grose was selected to be the founding President of Concordia College in Moorhead, Minnesota.
On Reformation Day, October 31, 1891, the college was officially dedicated by Reverend Gjermund Hoyme, President of the United Norwegian Lutheran Church.
[2] Thereafter Grose returned to St. Olaf College to continue his teaching and administration activities for the remainder of his career.