In short: Measuring the same things across sites is possible without erasing what makes each one different, and the design question is which few things everyone reports and what stays local.
Learning across many sites means measuring some things the same way without flattening local difference. These pages cover shared measurement, portfolio learning, cross-site synthesis and the partnership models that work.
Working with an evaluator follows a known rhythm, and a good one starts from the records you already keep without judging the state they're in.
A report gets read when it answers the question the reader arrived with, and a credible impact story carries evidence and context alongside the human account.
Training changes practice when it's built around the work people actually do and followed by something that holds the new habit in place.
Work-based learning holds people when the mentoring layer is built on purpose, and whether it's working can be checked while it runs.