The Division of Gapan City was established by virtue of R.A. 9022 sponsored by then Congresswoman Julita L. Villareal, 4th Congressional District, Nueva Ecija.
By virtue of Dep.Ed. No. 50, s. 2002, the Division of Gapan City was declared open and officially separated from its mother Division of Nueva Ecija effective January 24, 2003.