This document provides guidance on developing effective community-based accountability reports. It defines community-based accountability and outlines key conditions needed for it to work. It also recommends including a "management letter" to discuss successes, failures, goals and strategies for improvement. Additionally, it suggests focusing reports on a few key metrics that demonstrate progress toward community values and priorities, rather than overwhelming data. Observations from sample reports note opportunities to improve focus, transparency on performance and improvement, addressing equity, and including meaningful narrative.