# Readworks > Publicly sourced profile assembled by Optimly, in the Optimly AI Brand Index. Last refreshed 2026-10-04. - **Business Profile:** https://optimly.ai/brand/readworks - **Dataset:** https://optimly.ai/brand/readworks.json - **Markdown:** https://optimly.ai/brand/readworks/llms.txt - **Official website:** https://readworks.org - **Slug:** readworks - **Categories:** edtech-platforms ## Overview - **Tagline:** Nonprofit mission-driven organization providing free, science-backed content and tools built on the science of reading to improve reading comprehension, vocabulary, and background knowledge for all students, with a strong focus on accessibility and under-resourced communities. Source: Brand's website (https://readworks.org) · 2026-10-04 - **Description:** ReadWorks is a nonprofit organization dedicated to delivering high-quality content, tools, and support for reading comprehension. It serves over 13.5 million students and teachers annually, focusing on expanding background knowledge, vocabularies, and strategic reading, particularly for under-resourced communities. Source: Brand's website (https://readworks.org) · 2026-10-04 ## Offerings - **Core capabilities:** - A vast library of over 6 - 000 engaging articles and resources (Science - Social Studies - Nonfiction - Fiction - Poetry - SEL - etc.) with integrated learning tools such as diverse content - SEL tools - audio and text sizing - ELL/SPED support - formative assessments - text levels for differentiation - highlights - annotations - and a student library. Source: Brand's website (https://readworks.org) · 2026-10-04 - **Pricing:** Free for teachers and students. Source: Brand's website (https://readworks.org) · 2026-10-04 ## Audience - **Target industry:** K-12 Students, Teachers, Parents, and School Administrators, with a focus on serving every district and school, especially under-resourced communities. Source: Brand's website (https://readworks.org) · 2026-10-04 Page last updated 2026-10-17.