ATOS Analyzer

book

Determine ATOS Level for Text

This works best for text: sentences, stories, magazine and newspaper articles, test items, and other classroom materials.

ATOS for Text

Instructions for the ATOS for Text Analyzer.

book

Determine ATOS Level for Books

To get the most accurate ATOS analysis, use this option to submit the contents of a book.

ATOS for Entire Books
ATOS for Estimated Word Count

Instructions for the ATOS for Entire Books Analyzer.

Instructions for the ATOS for Estimated Word Count Analyzer.

Confirmed by Common Core as a valid, reliable text complexity tool.

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