San Isidro, Nueva Ecija

San Isidro, along with Gapan, Aliaga, Cabiao, and San Antonio were parts of Pampanga until they were transferred to Nueva Ecija in 1848. It served as the capital of Nueva Ecija from 1852 to 1912.^[6] After the first cry against the Spanish colonial government was made in 1896, there were 2,000 revolutionary soldiers under General Mariano Llanera who besieged San Isidro.^[7]

On March 29, 1899, General Emilio Aguinaldo declared San Isidro as the capital of the Philippines^[6] after the revolutionary capital Malolos was captured by the Americans. However, this was short-lived. General Frederick Funston planned the capture of Aguinaldo to end the Philippine–American War in San Isidro.

The Wright Institute, established in 1903 in San Isidro, was the first high school established outside Manila during the American period.^[7]

The town was occupied by Japanese troops in 1942, during World War II. The combined U.S. and Philippine Commonwealth ground forces liberated San Isidro and defeated the Japanese forces in 1945.^{[citation needed]}

On September 11, 1989, Mayor Enrique Lorenzo was on his way back from Manila with his wife Aurora, their driver, and one of their security personnel when they were ambushed by four gunmen along the Sta. Mesa Bridge in Manila. Aurora and two other companions died from their gunshot wounds while Mayor Lorenzo with only injuries to his left shoulder.^[8]

The municipality is bounded by Gapan to the east, the municipalities of San Leonardo and Jaen to the north, San Antonio to the west, Cabiao to the south-west, San Miguel, Bulacan, to the southeast and Candaba, Pampanga, to the south. It is 29 kilometers (18 mi) from Cabanatuan, 43 kilometers (27 mi) from Palayan, and 99 kilometers (62 mi) from Manila.

San Isidro is divided into nine barangays, as shown below. Each barangay consists of puroks and some have sitios.

Majority of populace is Roman Catholic. Other religious groups have churches and places of worship.

Poverty incidence of San Isidro

Source: Philippine Statistics Authority^{[15][16][17][18][19][20][21][22]}

Primarily depends on rice & vegetable farming, poultry and piggery.

As of 2017, based on Commission on Audit of the Philippines, San Isidro reached their income of ₱129,676,820.86; assets of ₱494,469,351.35; liabilities of ₱229,800,110.14 and allotments of ₱135,154,456.00.^[23]

• Carron Dreampark is an amusement and theme park in Barangay Santo Cristo, and was opened on November 17, 2012.

The San Isidro Schools District Office governs all educational institutions within the municipality. It oversees the management and operations of all private and public, from primary to secondary schools.^[24]

• General de Jesus College: formerly known as General de Jesus Academy, is a private school located in the Poblacion, San Isidro. It was founded in 1946.
• Holy Rosary Colleges Foundation: private school at Calaba, San Isidro.
• Nueva Ecija University of Science and Technology, San Isidro Campus: started as a vocational course at the Wright Institute in San Isidro, where young Filipinos were trained in woodworking and basic telegraphy. This vocational course lasted until S.Y. 1927-1928 when the general secondary education course was transferred to Cabanatuan. On June 9, 1929, the school was renamed Nueva Ecija Trade School (NETS) in accordance with Vocational Education Act 3377 of 1929. The first and only vocational course being offered then was woodworking. That course was an addition to the existing secondary curriculum inherited from the Wright Institute.