For nearly 200 years, we at William H. Sadlier, Inc. have been forming K–12 students in the Catholic faith and preparing them for academic success by offering a variety of educational materials in print and digital formats.
Leading one of the few family businesses of its age, our Sadlier family proudly continues to nurture the vision of founders, Denis and James Sadlier, with integrity, creativity, and an unwavering commitment to educational publishing.
Our story is one of triumph, through generations of one family’s perseverance and dedication to a singular vision of service and excellence.
See Full HistoryOur mission at Sadlier is to create experiences that inform and transform the hearts and minds of learners in all educational settings and throughout life. We remain driven by our commitment to serve educators in schools and parishes to unlock the full potential of all individuals. As a focused publisher, we are dedicated to our partnership with you so that we may continue to understand your unique needs and provide innovative solutions in and out of the classroom.
In 2018, with input from employees, we developed and implemented the following core Sadlier Operating Principles:
At Sadlier, we work closely with you—our valued customer—to understand your unique needs and provide innovative solutions for Mathematics and English Language Arts instruction in and out of the classroom.
As a smaller publisher, we are able to partner with you and your school to provide exactly what you need, whether it is standards-based core, supplemental, or customized professional development. We feel it’s the trust in Sadlier that keeps loyal customers like you returning year after year and are committed to maintaining and fostering these relationships.
Sadlier School provides free resources to support anti-racism, discrimination, and social injustice education. Learn more.
Noted products: Vocabulary Workshop, Progress In Mathematics, Sadlier Math, and the new From Phonics to Reading
Rooted in a rich history of Catholic publishing, Sadlier Religion is dedicated to innovative, quality catechesis and sacramental preparation content that faithfully presents the teachings of the Catholic Church. Our commitment to you is steadfast in serving the growing and ever-changing needs of religious education and faith formation. We are dedicated to providing technology solutions and content that support catechetical formation for Catholic schools and parishes.
Our well-established parish and school catechetical programs for K–8 are grounded in sound catechesis and available in bilingual (Spanish/English) editions to fully address the needs of parishes serving Catholic Hispanic families.
Sadlier Religion provides saint activities and prayers appropriate for children on anti-racism, diversity, discrimination, and social injustices. Learn more.
Noted products: Christ In Us, We Believe, and Believe • Celebrate • Live Series
Sadlier recognizes people for their service to Catholic education and supports organizations in various ways.
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“My Sadlier career started over 20 years ago with me working the mainframe, when we only had a few computers in the word processing department back then. I am now the I.T. Senior Director.”
“Sadlier’s mission is to create experiences that transform learners. It’s exciting to work here because of the mix of new ideas, great content, and strong customer relationships.”
“Sadlier is not just a company, it’s like a family. It’s great to be able to work in a positive atmosphere with such great colleagues and friends.”