Can small programme adjustments – backed by strong data – improve early learning outcomes for young children? They can. This case-based report demonstrates how, with practical examples of microchange in action. Big change starts small. The publication identifies nine key conditions required to drive microchange at scale – offering practical insights for funders, implementers, policymakers and practitioners working to strengthen early learning systems. It shows how organisations are using ELOM data to test and scale targeted improvements – proving that small shifts can lead to big impact. It includes real-world case studies from five South African organisations and insights including: Microchange works: Small shifts can dramatically improve early learning outcomes Reliable data matters: Standardised data is essential for informed decisions Practitioners are central: With the right tools, information and support, they become powerful agents of change Collaboration enables scale: Networks, partnerships and peer-learning forums amplify impact Feedback drives improvement: Timely, usable data supports rapid learning and adaptation Sustainable funding counts: Long-term investment across the full data value chain is essential