In this Best of "Knowledge Quest" monograph, the editors have collected seminal articles to support pre-service and in-service school librarians in developing and strengthening the instructional partner role. "Instructional Partnerships: A Pathway to Leadership" provides readers with background knowledge, research-based evidence, and examples of instructional partnerships in action. Serving in this role positions school librarians as key faculty in improving student learning outcomes through building collaborative partnerships for instruction. These articles, published between 1998 and 2012, have stood the test of time and attest to the American Association of School Librarians' long-time commitment to school librarians serving in this vital capacity. Valuable for both novices and seasoned instructional partners, this monograph offers a guide to success on this pathway to leadership. The following topics and papers are included: Introduction: (1) Instructional Partnerships: A Pathway to Leadership. Instructional Partnerships in the Broad Context of Teaching and Learning: (2) Be True to Our School; (3) Collaboration: Ten Important Reasons to Take It Seriously; (4) Taking the Lead in Developing Learning Communities; (5) Teachers and Librarians Collaborate in Lesson Study; (6) Collaboration: It's a Gamble on a Fixed Schedule; (7) Creating Partnerships: A Grant-Funded Collaborative Information Literacy Project; (8) The School Librarian as Instructional Partner: Team Up with Teachers to Guide Student Learning; and (9) Raising the Bar: Engaging Staff and Students in a Culture of Participation. Research Related to Instructional Partnerships: (10) Scientifically Based Research on School Libraries and Academic Achievement: What Is It? How Much Do We Have? How Can We Do It Better?; (11) Information Literacy, ICT, High School, and College Expectations; (12) Collaboration in the School Social Network; and (13) Research into Practice: Internet Savvy Students and Their Schools. Instructional Partnerships in Action: (14) Reading and the Library Program: An Expanded Role for the 21st-Century SLMS; (15) BONUS: Position Statement | The SLMS Role in Reading; (16) Conversations, Collaborations, and Celebrations: How the School Library Media Specialist Can Shape Early Literacy Instruction; (17) The School Librarian as Teacher: What Kind of Teacher Are You?; (18) Powwow for Learning: American Indian Tribe Inspires Coteaching Project at Dumbarton Elementary School; (19) Fearless Factor: Seamless Conversations Lead to Collaboration in the Northwest Independent School District; (20) Time and Space: A Collaborative Voyage for Junior Astronomers at Londonderry Middle School; (21) Healthy Collaboration is Good for All: Coteaching Team at New Canaan High School Helps Students Track Personal Wellness; and (22) Voyage on the S.S. Library Leadership: Collaboration in Teaching and Learning at the University of Vermont. [Contributors include: Judi Moreillon, Susan D. Ballard, Gail Bush, Peter Millbury, Violet H. Harada, Linda Bilyeu, Glenda Smith Rowe, Pamela Chesky, Martha Elaine Meyer, Dorcas Hand, Sue Kowalski, Keith Curry Lance, Becky Russell, Susan M. Allen, Barbara Schultz-Jones, Nancy Everhart, Joyce Valenza, Bonnie Mackey, Maureen White, Buffy J. Hamilton, Suzanna L. Panter, Rebecca L. Kelley, Gloria E. Voutos, Angela Norton, Wes Dunbar, Shane Conklin, Paula Chessin, Jessica Payeur, Deborah Chessin, Christina T. Russo, Michelle Luhtala, Donna Sapienza, and Judith L. Kaplan.]