Are you a great teacher with a good eye for detail? Help improve Oppia's free basic math lessons!

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Do you have an eye for detail, and a passion for making lessons as understandable as possible, in order to help underserved children gain access to basic math education? If so, Oppia is looking for volunteers to join our lesson reviewing team and help improve our curated online math lessons.

To get started, please fill in this form:

Who We Are

The Oppia Foundation is a 501(c)(3) nonprofit with the mission to provide high quality education to all. We do this through the creation and maintenance of our free-to-use platform, Oppia (, the coordination of our passionate contributors, and the development of critical partnerships with NGOs in the communities we aim to serve.

Where You Fit In

Millions of children are not receiving the education they deserve. Of the 61 million children worldwide who cannot attend primary school, 17 million will never step foot into a school if trends continue. In the wake of COVID-19, millions more children are also seeing interruptions in their daily lives, stability, and education - making it even more difficult than before for many students to get the education they need to succeed.

Our volunteer community has created a series of over 70 mathematics lessons that have proved highly engaging and effective, including in a randomized controlled trial. Their success has been possible because of our very careful content creation process, with multiple rounds of review to ensure that all the explanations are as clear as possible. We are now expanding our reach to other areas of mathematics and science, and are committed to maintaining the same level of quality.

We are looking for experienced educators, ideally with a background in editing, proofreading, and/or mathematics teaching, to read draft educational content and provide feedback on what needs to be improved, or to evaluate suggestions for improving the lessons and advise on which changes should be made.

Why Oppia is an Organization You Want to Work With

  • Oppia has served over 2,000,000 users.
  • Oppia focuses on effectiveness, and conducts rigorous user testing and RCTs to validate the lessons we offer. Learners using Oppia’s lessons have seen gains of 50+% from pre-test to post-test.
  • Oppia's contributors actively help to provide students around the world with basic education. Please see and for examples of our current work.
  • Oppia has a community of hundreds of passionate volunteers from across the globe, so our meetings are held online at flexible times.

What Our Lesson Improvements Team Contributes

  • Review all new educational content before it is published to students. Identify errors, unclear explanations, or references that might confuse students from different cultures, and provide suggestions to improve the text and presentation.
  • Review suggestions for improvements to existing lessons, and advise on which ones to implement.
  • Review existing lessons and suggest improvements to them.

If you’d like to help out, please fill in our application form at Thank you!

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1401 21ST ST STE R, SACRAMENTO, CA 95816, US

Mission Statement

Oppia’s mission is to provide high-quality, engaging education to learners across the globe who lack access to it.


The Oppia team works to create effective, enjoyable online lessons at scale that can reach millions of people. We want every individual, no matter what their personal circumstances, to have access to learning experiences that are not only pedagogically effective, but also fun and engaging. Our focus is on reducing the equity gap in access to education, and we are currently working on providing free and effective basic math and science lessons that can be played on cheap Android devices to learners in underserved communities around the world. Oppia's lessons have already reached over 2,000,000 users, and learners using our basic mathematics curriculum have seen gains of over 50% from pre-test to post-test. You can read some examples of our work in these blog posts: and .

A key differentiator of Oppia is its unique technology platform, which simulates an interactive tutor by adapting each lesson to individual learners’ needs and providing specific, targeted feedback to help them improve. Furthermore, all our lessons are openly licensed and the platform is open source, which enables a diverse group of educators and technologists from around the world to regularly iterate on and improve them.


Children & Youth
Computers & Technology
Education & Literacy
Children & Youth, Computers & Technology, Education & Literacy


We'll work with your schedule.


This is a Virtual Opportunity with no fixed address.


  • Math / Science Instruction
  • Teaching / Instruction
  • STEM


  • Teens



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