How did Latin continue as a language of religion and scholarship after the fall of the Western Roman Empire?

Following the fall of the Western Roman Empire, Latin persisted as a standardized medium for religion and scholarship throughout the Middle Ages by evolving into a distinct "learned" language separate from the developing vernaculars.12

The Role of the Church and Education

Latin remained the official language of the Roman Catholic Church, serving as the primary vehicle for liturgy, theology, and administration. Because it was the lingua franca of the West, it was essential for intellectual life, encompassing fields such as science, philosophy, and history. Knowledge of Latin, often paired with Greek, became a defining mark of an educated person.1324

Standardization and Revivals

To maintain its utility, Latin underwent periodic reforms to preserve its "purity" against the drift of spoken dialects. A significant intellectual renaissance occurred under Charlemagne, who invited the scholar Alcuin of York to his court to restore Classical standards. This revival highlighted the growing gap between learned Latin and the common vernacular, eventually leading to the use of local languages for pastoral communication, such as the 813 decree by the Council of Tours.13