If you were a student in the time of Charlemagne where would you go to learn to read and write

For the most part, education was overseen by religious entities. The Church organized the education of youth, established the curriculum, devised testing, and guided students into particular fields of study or work based upon their noted skills and aptitudes. Some scholars were selected to continue studies past their standard formal education at universities, which began to be established in large cities later in the Middle Ages.