Argentina celebrates National Student Day annually on September 21, a date established to honor Domingo Faustino Sarmiento. ^[1] Argentina will celebrate Student Day on Monday, September 21, 2026, providing a break from classes for students at various educational levels. ^[2] During his presidency from 1868 to 1874, Domingo Faustino Sarmiento implemented reforms that included creating more than 800 schools in the country. ^[3] Sarmiento promulgated public, mandatory, and free education, ensuring all children had access to basic education regardless of their social class or economic status. ^[4] Domingo Faustino Sarmiento served as president of Argentina between 1868 and 1874 and is known as the father of national education. ^[5] During Sarmiento's presidency, more than 800 schools were created, teacher training was promoted, and access to basic education was expanded for social sectors. ^[6] The date of September 21 was chosen to commemorate the arrival of the remains of Domingo Faustino Sarmiento in Buenos Aires on that day in 1888. ^[7]