Actionable insights, anywhere.

Supporting education and innovation.

Tangerine® is transforming how education systems collect data, assess learning, and support teachers—especially in resource-constrained environments. 
As an open-source, offline-first platform, Tangerine empowers users to deploy and adapt tools for student assessments, classroom observations, surveys, and more. Whether online or offline, Tangerine delivers timely, actionable insights while supporting data sovereignty, flexibility, and community-driven development. 

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Tangerine® Product Suite 

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Tangerine®

  • Used in large-scale assessments and surveys by trained data collection teams across schools, districts, or regions  

  • Automatically syncs results to secure servers for centralized analysis and reporting  

  • Enables education stakeholders to monitor learning outcomes, identify trends, and inform policy decisions  

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Tangerine:Teach

  • Used by teachers and support staff to track student attendance, behavior, and learning progress  

  • Automatically groups students and recommends targeted interventions based on rapid diagnostic and formative assessments  

  • Provides embedded feedback and reporting tools to help educators monitor progress, tailor instruction, and communicate with caregivers 

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Tangerine:Coach

  • Used by instructional coaches and school leaders to conduct classroom observations and provide feedback to teachers  

  • Delivers instant results and suggested feedback to support real-time coaching conversations  

  • Helps education leaders monitor instructional quality and tailor support across schools or regions 

Global Impact

Tangerine has modernized reading and mathematics assessments in resource-constrained settings. Over 5 million assessments and surveys have been conducted, spanning 65 countries and supported by 80 organizations and researchers.

Timely Data

Say goodbye to weeks of waiting for data. With Tangerine, results are available immediately upon upload, ensuring timely and accurate insights for informed decision-making. 

Versatile Capabilities

Beyond academics, Tangerine facilitates non-cognitive assessments, inclusive education, and social-emotional learning. We're not just assessing knowledge; we're nurturing holistic development.

Tangerine’s local and global impact

100+

languages

60+

countries worldwide

80+

organizations



Want to learn how open-source software like Tangerine and Loquat are important in low-resource settings? Hear Dr. Carmen Strigel explain the relevance of these tools in this podcast. 

Listen to the Podcast

Tangerine® Community 

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