Project-Based learning allows students to gain knowledge and skills by working for an extended period of time to investigate an respond to and authentic, engaging, and complex question. 

Students make their work public by displaying, explaining, and/or presenting it to people beyond the classroom.

A product is not in itself project-based learning (i.e., digital portfolio)

Some courses count for the project-based experience, but completion of a course does not automatically result in meeting this requirement. 

Grounded in Buck Institute for Education's "design elements"