The first thing to have in mind when working on PBL is that assessment is done with students’ active participation, just like everything else. Assessment is also an ongoing process, which means that students will not be assessed only at the end of the project, but along the way as well. The idea of assessment as a test that measures only content does not fit into the ideals underlying PBL, as in this approach we believe students learn more than just vocabulary and grammar. Successful PBL in the language classroom enables students to use language meaningfully and to apply what they learn to different contexts.

In this sense, therefore, assessment in PBL is a much more elaborate task, where simple grading cannot account for all the nuances of the work being developed. That is why rubrics are probably the most efficient tool for assessing students’ performance throughout the project.