William H. Sadlier, Inc. is a recognized and respected publisher of print, digital, and online educational materials for PreK-12 public and nonpublic schools, and catechetical materials for Catholic schools, parishes, and families. Since 1832, Sadlier's tradition of quality and excellence in publishing has been nurtured by the vision, integrity and dedication of the same family. Sadlier School programs offer strong instructional support, well related to standards, so that educators can help students reach their full potential — in school and throughout life. Products include Sadlier Phonics and Reading Program and such proven programs as Vocabulary Workshop, Grammar Workshop, Grammar for Writing, and Progress in Mathematics. Sadlier Religion programs offer quality catechesis and sacramental preparation materials that faithfully present the teachings of the Catholic Church. Sadlier's We Believe with Project Disciple catechetical series for K-8 and other programs address the needs of Catholic schools, parishes, and families, all with English and bilingual editions.