Pros
Students are amazing to work with, resources are very effective with regard to curriculum, and if you are truly passionate about this type of work (if your heart is really invested) you will be in a position to have an extremely rewarding experience. Also this is an extremely heavy feedback culture so if you appreciate constant feedback both positive and critical, it can be an opportunity for growth.
Cons
Very disorganized as a company, salary/stipend is extremely low for fellows (as it is marketed as a gap year) where there is a large disparity for the next position salary (at least a $30k difference) when the real work with the students is done by the tutoring fellows. There tends to be a white savior complex with a lot of the staff of the organization and the fellows that are hired which has proven to be detrimental in some situations.