Our Mission


Endorsed by Leading Third-Party Authorities
Our core English Language Arts program is top rated in Grades K-5 by Ed Reports’ newest v1.5 curriculum evaluation tools, having met the independent organization’s current rigorous expectations. Read More

Research-Validated
and ESSA Evidence-Aligned
Third-party efficacy studies repeatedly and consistently indicate academic success in diverse socioeconomic settings with our programs. Read More

Science of Reading-Informed Curriculum
In consultation with premier literacy experts, including Wiley Blevins, our ELA programs were designed specifically to address the latest reading research. Read More

Multilingual Learners Prioritized
English Learner support is highly customized, deeply integrated, and research based. We distinguish the needs of newcomers, long-term ELs, older ELs, and other learners.Read More

Knowledge Building for Comprehension
All skills and strategies are taught in support of knowledge building, comprehension, critical thinking and expression. Read More

Preeminence in Spanish Language Arts & Bilingual Education
We are the largest educational publisher of Spanish student texts in the world. Read More

Unrivaled Commitment
to Student Representation
Our ELA programs incorporate a wider range of student identities, languages, backgrounds, and abilities than any other core or supplemental publisher. Read More

Exemplary Professional Development
We believe that support for teachers at every stage of implementation is an inextricable component of student success. Read More
About Us
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