K-12 Textbook Publishers: A Guide to Their Services and Publications

1. Pearson: Pearson is one of the largest textbook publishers in the world, and offers a wide range of K-12 educational materials, including textbooks, workbooks, and online resources. They also offer professional development opportunities for educators, and provide assessment tools to measure student progress.

2. Houghton Mifflin Harcourt: Houghton Mifflin Harcourt is a leading publisher of K-12 textbooks, workbooks, and digital resources. They have a strong focus on creating materials that align with state and national curriculum standards, and offer professional development opportunities for educators.

3. McGraw-Hill Education: McGraw-Hill Education is a global leader in K-12 educational materials, including textbooks, workbooks, and digital resources. They are known for their focus on science, technology, engineering, and math (STEM) education, and offer a wide range of assessment tools to measure student progress.

4. Scholastic: Scholastic is a well-known publisher of K-12 educational materials, including textbooks, workbooks, and literature-based resources. They have a strong focus on reading and literacy education and offer a wide range of professional development opportunities for educators.