In order to do this, I have the students write two paragraphs, one about their strengths, and one about their weaknesses. Using a divided circle map, the kids list everything they excel at as a learner, and all of the things they need to work on. They then, using a communication guide (as I have low EL students...one of our district focuses are on communication guides) write two paragraphs, one for the strengths and one for the weaknesses.
They then write the final draft of their paragraphs on paper shaped like dumbbell weights.
I have them back it on a blue piece of paper to serve as the "weight lifting mat"...just so the people look like they are standing on something!
I do this each year and really, it is such a great way to get to know the students as learners, as well as have them see that we all aren't great at everything! All of the templates for this can be found in my Back to School Goal Setting Pack (and 4 other complete lessons as well).