Tell Leilan, Shehna Akkadian scribal school.

The Northwest Acropolis of Tell Leilan was a political and religious center from ca. 2600 BC. Among the different public buildings in this area - a cultic platform, grain storage rooms, a palace there existed an Akkadian schoolroom.

See:

1. http://leilan.yale.edu/works-progress/akkadian-schoolroom-tablets
2. http://www.leilan.yale.edu/about/dig_sites/acropolis_northwest/index.html