I am applying in 2024. here is a collection of resources and information that have been useful to me. nsf grfp format guidelines nsf grfp evaluation criteria spreadsheet of past winners examples Letter on Broader Impacts (gives some concrete example activities) MIT Guide to NSF GRFP Personal Statement Writing 2022 NSF GRFP Workshop Video (1 hr and 20 min) Another workshop video-UC Berkeley 2018 Panelist Guide Informal but helpful self scoring rubric Overview of NSF GRFP Review Process Merit Review Frequently Asked Questions Science article critique of the review process of NSF GRFP Helpful blog post from a NSF reviewer Application Guidelines