This presentation was delivered by Wendi Ralaingita at the Open Learning Exchange (OLE) conference in Kathmandu, Nepal (November 2017). It provides an overview of RTI's evidence-based approach to ICT integration, based largely on the Improvement Science literature, particularly Edward Deming. Describes uses of Tangerine open-source software for teacher coaching (Tangerine:Tutor) and classroom continuous assessment (Tangerine:Class) as well as hearing and vision screening tools integrated with EGRA and EGMA assessments.