In 1903, while the Philippines was still under the American Occupation, Nampicuan was reverted to the status of a barrio of the Cuyapo town. Upon proper presentation however of the prominent residents of this place, Nampicuan was again elevated to the status of municipality. In 1907, the first church was constructed led by REV. Luis Corpuz and the establishment of Gabaldon Primary School under the first Principal/Teacher, Clodualdo Bringas. After a year Nampicuan become a third class municipality of Nueva Ecija with the first leaders, President Laureano O. Gonzales and Vice – President Simeon Quiaoit.