Saint Paul School of San Antonio (SPSSA; colloquially, "S.P.S.") is a private Diocesan Catholic school located at Cando Street, Poblacion, San Antonio, Nueva Ecija, Philippines. The school was established in 1969 by Bishop Vicente Reyes and the Sisters of St. Paul of Chartres (SPC). History St. Paul School, the first and only Catholic school in San Antonio, Nueva Ecija had its humble beginning in 1969. It was the same year when Bishop Vicente P. Reyes of Cabanatuan requested the Provincial Sisters of St. Paul of Chartres (SPC) to manage the school. The four SPC sisters: Sr. Caritas de St. Paul Sevilla, Sr. Mary Asella Cariaga, Sr. Marie Edissa Conel and Sr. Jeanne de Rossaire Marquez left St. Paul College of Manila to open the first Catholic school in San Antonio. The Superior and College Dean respectively of St. Paul College of San Miguel together with the Provincial Assistant for Education, Rev. Fr. Pedro Balagtas who was then the parish priest of San Antonio had collaboration in preparing the necessary papers and facilities for that school year. From then on, it paved the foundation of St. Paul School. The school opened on June 17, 1969 with 32 kindergarten pupils and 88 students in the first year high school using the old rectory. In 1971, new classrooms were added to accommodate the growing school population. During that time the school had kindergarten, Grades I, and II and the first three years of high school. Grade levels and high school levels were added during each succeeding school year to complete all stages Sr. Mechtilde Seva, SPC, became the Superior, High School Principal from 1978 to 1986, followed by Sr. Mary George Siriban, SPC, from 1986 to 1989, Sr. Jovita Pe Benito, SPC in 1992 while Sr. Lutgard of the Sacred Heart Ramirez, SPC was appointed as school head and principal from 1996 up to 2006. It was during the term of Sr. Lutgard of the Sacred Heart Ramirez, SPC, that St. Paul School of San Antonio enrollment increased yearly. During the management of Sr. Lutgard of the Sacred Heart Ramirez, SPC additional buildings were constructed. Side by side to these were also renovations to old classrooms. The timeworn gym was converted to classrooms and the floor level served as the school canteen. A new gym was constructed between St. Anthony Abbot Bldg. and the old rectory, now named Bishop Vicente P. Reyes D.D.