A computerized educational resource presentation and tracking system is provided. The system includes a collection of stored educational resources organized according to user accounts for each of a plurality of users, a presentation application configured to present at least some of the collection of stored educational resources at a client device of each of the plurality of users. The presentation application may include an educational resource module configured to create a modified version of a specified educational resource in response to receiving a user-generated edit of the specified educational resource, the modified version having metadata to link to a previous version of the specified educational resource. The presentation application may further include a presentation generator configured to generate a presentation of a user-selected subset of the collection of educational resources including the modified version of the specified educational resource, ordered in a user-specified presentation order.