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The e-rater® Scoring Engine

The AI Technology

ETS is a global leader in educational assessment, measurement and learning science. Our AI technology, such as the e-rater® scoring engine, informs decisions and creates opportunities for learners around the world.

The e-rater engine automatically:

  • assess and nurtures key writing skills
  • scores essays and provides feedback on writing using a model built on the theory of writing to assess both analytical and independent writing skills

Learn more about the e-rater Engine.

About the e-rater Engine

This ETS capability identifies features related to writing proficiency.

How It Works

See how the e-rater engine provides scoring and writing feedback.

Custom Applications

Use standard prompts or develop your own custom model with ETS’s guidance and expertise.

Contact Us

Ready to begin? Contact us to learn how the e-rater service can enhance your existing program.

Contact Us