The Du Lac Academy's charter was renewed under the name "The Milton Academy"

The evidence

• “This institution, though of but humble pretensions, was in fact a great accession and benefit to this town. In the year 1848, it was chartered under the name of Du Lac Academy, by which name it was known until the year 1854; the charter was then renewed under the name of "The Milton Academy," by which name it is now known. A large, spacious and substantial building was erected in the year 1855; and it is now in a flourishing condition, and under the guidance of Prof.”

  1856-history-of-rock-county/14-milton.md, PDF p. 125 / book p. 107

  Guernsey, Orrin, and Josiah F. Willard, editors. History of Rock County, and Transactions of the Rock County Agricultural Society and Mechanics' Institute. Janesville, Wis.: William M. Doty & Brother, 1856. Cornell University Library via the Internet Archive, archive.org/details/cu31924028871593.

  Grade A: Found on a page of one of our sources