A simple calculation can be used as a rough estimate for disk space needed:
2G (Base) + 1G per 5 classes with approximately 25 students per semester
However, if your school plans to use DyKnow's Audio Recorder feature, you will need 12MB of storage for each additional hour of recorded audio. Data storage needs can be easily monitored and controlled by the DyKnow Administrator who can determine how long these recordings are saved in the database.
For more information on server configuration and specifications, check out our server specifications page here.